Pocket Watch Database
Hamilton Watch Co.
Pocket Watch Patents
The following gallery contains patents that were issued or assigned to Hamilton or individuals known to be associated with the company at the time. Not all designs were fully implemented into production.
Watch Steady Pin
Patent Number: | 559512 |
Description: | Watch Steady Pin |
Inventor: | Henry J. Cain |
Patent Date: | May 5, 1896 |
Registration Type: | Patent |
Sample Image: |
Watch Barrel
Patent Number: | 832672 |
Description: | Watch Barrel |
Inventor: | Samuel R. Hoffmeier |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 9, 1906 |
Registration Type: | Patent |
Watch Center Wheel
Patent Number: | 1037740 |
Description: | Watch Center Wheel |
Inventor: | William W. Dudley |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 3, 1912 |
Registration Type: | Patent |
Balance Cock
Patent Number: | 1037741 |
Description: | Balance Cock |
Inventor: | William W. Dudley |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 3, 1912 |
Registration Type: | Patent |
Hair Spring Stud Hold Means
Patent Number: | 1037742 |
Description: | Hair Spring Stud Hold Means |
Inventor: | William W. Dudley |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 3, 1912 |
Registration Type: | Patent |
Sample Image: |
Watch Case
Patent Number: | D78487 |
Description: | Watch Case |
Inventor: | Max Eugene Schwab Alphonse Muischpard |
Assignee: | Hamilton Watch Co |
Patent Date: | May 7, 1929 |
Registration Type: | Patent |
Escape Wheel
Patent Number: | 1928554 |
Description: | Escape Wheel |
Inventor: | Howard L. Beehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 26, 1933 |
Registration Type: | Patent |
Watch Case
Patent Number: | 1937079 |
Description: | Watch Case |
Inventor: | Alphonse Wuischpard |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 28, 1933 |
Registration Type: | Patent |
Method Apparatus For Measure Time Interval
Patent Number: | 2024799 |
Description: | Method Apparatus For Measure Time Interval |
Inventor: | George P. Luckey |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 17, 1935 |
Registration Type: | Patent |
Timepiece Method And Mean For Elimate Error
Patent Number: | 2037729 |
Description: | Timepiece Method And Mean For Elimate Error |
Inventor: | George P. Luckey |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 21, 1936 |
Registration Type: | Patent |
Watch Dial Etc
Patent Number: | 2103263 |
Description: | Watch Dial Etc |
Inventor: | Alvin Lodge |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 28, 1937 |
Registration Type: | Patent |
Watch Dial Method Making
Patent Number: | 2196998 |
Description: | Watch Dial Method Making |
Inventor: | Alvin Lodge |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 16, 1940 |
Registration Type: | Patent |
Machine Method Form Projection Metal Stock
Patent Number: | 2250542 |
Description: | Machine Method Form Projection Metal Stock |
Inventor: | Alvin Lodge |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 29, 1941 |
Registration Type: | Patent |
Timepiece Protective Device
Patent Number: | 2346476 |
Description: | Timepiece Protective Device |
Inventor: | Ernest William Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 14, 1941 |
Registration Type: | Patent |
Balance Staff
Patent Number: | 2293456 |
Description: | Balance Staff |
Inventor: | Henry Cloyd Dobbs |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 18, 1942 |
Registration Type: | Patent |
Clock Second Dial
Patent Number: | 2293459 |
Description: | Clock Second Dial |
Inventor: | William Maurice Ewing Allyn Collins Vine |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 18, 1942 |
Registration Type: | Patent |
Constant Speed Body
Patent Number: | 2322861 |
Description: | Constant Speed Body |
Inventor: | George Paul Luckey |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 29, 1943 |
Registration Type: | Patent |
Automatic Feed Device
Patent Number: | 2327849 |
Description: | Automatic Feed Device |
Inventor: | Bruce E. Wolfe |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 24, 1943 |
Registration Type: | Patent |
Heat Treating Device
Patent Number: | 2339136 |
Description: | Heat Treating Device |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 11, 1944 |
Registration Type: | Patent |
Chronometer Watch Case
Patent Number: | 2352889 |
Description: | Chronometer Watch Case |
Inventor: | Ernest W. Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 4, 1944 |
Registration Type: | Patent |
Spring Process Device
Patent Number: | 2356912 |
Description: | Spring Process Device |
Inventor: | William Ogle Jr Bennett Ernest W. Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 9, 1944 |
Registration Type: | Patent |
Process Crystalline Structure
Patent Number: | 2355877 |
Description: | Process Crystalline Structure |
Inventor: | Van James Oliver Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 15, 1944 |
Registration Type: | Patent |
Balance Wheel
Patent Number: | 2356911 |
Description: | Balance Wheel |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 29, 1944 |
Registration Type: | Patent |
Timepiece Set Device
Patent Number: | 2360113 |
Description: | Timepiece Set Device |
Inventor: | Ernest William Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 10, 1944 |
Registration Type: | Patent |
Chronometer Date Control
Patent Number: | 2360305 |
Description: | Chronometer Date Control |
Inventor: | Francis Edward Meyer |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 10, 1944 |
Registration Type: | Patent |
Spring Formation
Patent Number: | 2363113 |
Description: | Spring Formation |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 21, 1944 |
Registration Type: | Patent |
Grind Machine
Patent Number: | 2363128 |
Description: | Grind Machine |
Inventor: | Robert Daniel Heffelfinger |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 21, 1944 |
Registration Type: | Patent |
Drill Machine
Patent Number: | 2363136 |
Description: | Drill Machine |
Inventor: | Ralph Bender Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 21, 1944 |
Registration Type: | Patent |
Band Lap
Patent Number: | 2369068 |
Description: | Band Lap |
Inventor: | Ralph Bender Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 6, 1945 |
Registration Type: | Patent |
J Oliving Machine
Patent Number: | 2369094 |
Description: | J Oliving Machine |
Inventor: | Harry Dewey Weaver |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 6, 1945 |
Registration Type: | Patent |
Time Device
Patent Number: | 2372757 |
Description: | Time Device |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 3, 1945 |
Registration Type: | Patent |
Watch Movement Hack Second
Patent Number: | 2372771 |
Description: | Watch Movement Hack Second |
Inventor: | Ernest William Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 3, 1945 |
Registration Type: | Patent |
Hair Spring Mount
Patent Number: | 2379780 |
Description: | Hair Spring Mount |
Inventor: | William Ogle Jr Bennett Ernest W. Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 3, 1945 |
Registration Type: | Patent |
Watch Stop Test Apparatus
Patent Number: | 2380360 |
Description: | Watch Stop Test Apparatus |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 10, 1945 |
Registration Type: | Patent |
Surfacing Machine
Patent Number: | 2381833 |
Description: | Surfacing Machine |
Inventor: | Ralph B. Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 7, 1945 |
Registration Type: | Patent |
Surfacing Machine
Patent Number: | 2382940 |
Description: | Surfacing Machine |
Inventor: | Ralph B. Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 14, 1945 |
Registration Type: | Patent |
Surface Marking Device
Patent Number: | 2385014 |
Description: | Surface Marking Device |
Inventor: | Ralph B. Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 18, 1945 |
Registration Type: | Patent |
Shaping Machine
Patent Number: | 2385015 |
Description: | Shaping Machine |
Inventor: | Ralph B. Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 18, 1945 |
Registration Type: | Patent |
Balance Screw
Patent Number: | 2385252 |
Description: | Balance Screw |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 18, 1945 |
Registration Type: | Patent |
J Hole Opening Apparatus
Patent Number: | 2385287 |
Description: | J Hole Opening Apparatus |
Inventor: | Van John O. Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 18, 1945 |
Registration Type: | Patent |
Machinery Welding
Patent Number: | 2387112 |
Description: | Machinery Welding |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 16, 1945 |
Registration Type: | Patent |
Multiple J Oliving Machine
Patent Number: | 2389537 |
Description: | Multiple J Oliving Machine |
Inventor: | George William Jr Grisdale Paul Numa Paroz |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 20, 1945 |
Registration Type: | Patent |
Hair Spring Collet
Patent Number: | 2391816 |
Description: | Hair Spring Collet |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 25, 1945 |
Registration Type: | Patent |
Escape & Balance Staff
Patent Number: | 2392745 |
Description: | Escape & Balance Staff |
Inventor: | Albert J. Kleiner |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 8, 1946 |
Registration Type: | Patent |
Watch Case Watertight
Patent Number: | 2392787 |
Description: | Watch Case Watertight |
Inventor: | Henri E. Vermot |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 8, 1946 |
Registration Type: | Patent |
Watch Observation Box For Timing
Patent Number: | 2395328 |
Description: | Watch Observation Box For Timing |
Inventor: | Robert Daniel Heffelfinger |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 19, 1946 |
Registration Type: | Patent |
Frequency Multiplying Apparatus
Patent Number: | 2402012 |
Description: | Frequency Multiplying Apparatus |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 11, 1946 |
Registration Type: | Patent |
Watch Case Apparatus For Test Waterproof
Patent Number: | 2407945 |
Description: | Watch Case Apparatus For Test Waterproof |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 17, 1946 |
Registration Type: | Patent |
Timepiece Set Mech
Patent Number: | 2412493 |
Description: | Timepiece Set Mech |
Inventor: | Elis F. Carlstrom |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 10, 1946 |
Registration Type: | Patent |
Method Of Oliving Jewel
Patent Number: | 2419687 |
Description: | Method Of Oliving Jewel |
Inventor: | George Paul Luckey |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 1, 1947 |
Registration Type: | Patent |
Method For Surfacing Small Part
Patent Number: | 2424835 |
Description: | Method For Surfacing Small Part |
Inventor: | George Paul Luckey Theodore Raymond Schwalm |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 29, 1947 |
Registration Type: | Patent |
Watch Cantilever Support For Gimbal Carry
Patent Number: | 2425602 |
Description: | Watch Cantilever Support For Gimbal Carry |
Inventor: | Ernest William Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 12, 1947 |
Registration Type: | Patent |
Perforated Plate Apparatus For Count Jewel
Patent Number: | 2432319 |
Description: | Perforated Plate Apparatus For Count Jewel |
Inventor: | Van James O. Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 9, 1947 |
Registration Type: | Patent |
Chronometer Box Secure Support
Patent Number: | 2433509 |
Description: | Chronometer Box Secure Support |
Inventor: | Ernest W. Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 30, 1947 |
Registration Type: | Patent |
Time Apparatus
Patent Number: | 2437929 |
Description: | Time Apparatus |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 16, 1948 |
Registration Type: | Patent |
Time Apparatus
Patent Number: | 2473929 |
Description: | Time Apparatus |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 16, 1948 |
Registration Type: | Patent |
Gear Test Apparatus
Patent Number: | 2444016 |
Description: | Gear Test Apparatus |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 22, 1948 |
Registration Type: | Patent |
Cylindrical Hair Spring Form
Patent Number: | 2457631 |
Description: | Cylindrical Hair Spring Form |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 28, 1948 |
Registration Type: | Patent |
Method Of Pallet Stone Cutting And Polishing
Patent Number: | 2458913 |
Description: | Method Of Pallet Stone Cutting And Polishing |
Inventor: | Ralph B. Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 11, 1949 |
Registration Type: | Patent |
Floating Pawl
Patent Number: | 2460620 |
Description: | Floating Pawl |
Inventor: | Elis Fedor Carlstrom |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 1, 1949 |
Registration Type: | Patent |
Watch Case
Patent Number: | 2467062 |
Description: | Watch Case |
Inventor: | Henri E. Vermot |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 12, 1949 |
Registration Type: | Patent |
Display Sign
Patent Number: | D153784 |
Description: | Display Sign |
Inventor: | Gilbert C. Gettelman |
Assignee: | Hamilton Watch Co |
Patent Date: | May 17, 1949 |
Registration Type: | Patent |
Cap Secure Means
Patent Number: | 2407226 |
Description: | Cap Secure Means |
Inventor: | Harry D. Weaver |
Assignee: | Hamilton Watch Co |
Patent Date: | May 17, 1949 |
Registration Type: | Patent |
Cap Secure Means
Patent Number: | 2470226 |
Description: | Cap Secure Means |
Inventor: | Harry D. Weaver |
Assignee: | Hamilton Watch Co |
Patent Date: | May 17, 1949 |
Registration Type: | Patent |
Watch Balance Test Apparatus And Therefor
Patent Number: | 2475947 |
Description: | Watch Balance Test Apparatus And Therefor |
Inventor: | W. Kohlhagen |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 5, 1949 |
Registration Type: | Patent |
Watch Seconds Set Mech
Patent Number: | 2496690 |
Description: | Watch Seconds Set Mech |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 7, 1950 |
Registration Type: | Patent |
Clock Display
Patent Number: | D157584 |
Description: | Clock Display |
Inventor: | Gilbert C. Gettelman |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 7, 1950 |
Registration Type: | Patent |
Hair Spring Overcoil Raising Tool
Patent Number: | 2515689 |
Description: | Hair Spring Overcoil Raising Tool |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 18, 1950 |
Registration Type: | Patent |
Watch Oil
Patent Number: | 2534611 |
Description: | Watch Oil |
Inventor: | Joseph S. Jr Martin |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 19, 1950 |
Registration Type: | Patent |
Cannon Pinion Indenting Fixture
Patent Number: | 2535483 |
Description: | Cannon Pinion Indenting Fixture |
Inventor: | Gilbert C. Iii Childs |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 26, 1950 |
Registration Type: | Patent |
Multiple Check Comparator Gauge
Patent Number: | 2538311 |
Description: | Multiple Check Comparator Gauge |
Inventor: | Douglass Jr Hawks Haaften Egbert Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 16, 1951 |
Registration Type: | Patent |
Surface Ornament Machine
Patent Number: | 2557005 |
Description: | Surface Ornament Machine |
Inventor: | R. B. Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 12, 1951 |
Registration Type: | Patent |
Surface Ornament Machine
Patent Number: | 2557055 |
Description: | Surface Ornament Machine |
Inventor: | Ralph Bender Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 12, 1951 |
Registration Type: | Patent |
Endstone Cap Assembly
Patent Number: | 2555412 |
Description: | Endstone Cap Assembly |
Inventor: | Ernest W. Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 24, 1951 |
Registration Type: | Patent |
Endstone Cap Assembly
Patent Number: | 2561690 |
Description: | Endstone Cap Assembly |
Inventor: | Ernest W. Drescher |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 24, 1951 |
Registration Type: | Patent |
Frequency Standard
Patent Number: | 2564636 |
Description: | Frequency Standard |
Inventor: | William Ogle Jr Bennett Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 14, 1951 |
Registration Type: | Patent |
Pallet Stone Set Stone
Patent Number: | 2564650 |
Description: | Pallet Stone Set Stone |
Inventor: | Haaften Egbert Van Arthur Brock Sinkler |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 14, 1951 |
Registration Type: | Patent |
Comparator Guage
Patent Number: | 2568981 |
Description: | Comparator Guage |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 25, 1951 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 2577703 |
Description: | Watch Electric |
Inventor: | Arthur E. Fillinger |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 4, 1951 |
Registration Type: | Patent |
Combinating Unit Showcase
Patent Number: | 2584869 |
Description: | Combinating Unit Showcase |
Inventor: | Robert J. Gunder |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 5, 1952 |
Registration Type: | Patent |
Time Comparator
Patent Number: | 2593650 |
Description: | Time Comparator |
Inventor: | William Ogle Jr Bennett |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 22, 1952 |
Registration Type: | Patent |
Work Holder Orienting Device
Patent Number: | 2593687 |
Description: | Work Holder Orienting Device |
Inventor: | Ralph Bender Mentzer |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 22, 1952 |
Registration Type: | Patent |
Watch Maker Vise
Patent Number: | 2593703 |
Description: | Watch Maker Vise |
Inventor: | Arthur B. Sinkler |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 22, 1952 |
Registration Type: | Patent |
Watch Shock Absorb Bearing
Patent Number: | 2596449 |
Description: | Watch Shock Absorb Bearing |
Inventor: | Haaften Egbert Van |
Assignee: | Hamilton Watch Co |
Patent Date: | May 13, 1952 |
Registration Type: | Patent |
J Set Press
Patent Number: | 2602986 |
Description: | J Set Press |
Inventor: | Joseph R. Centini William A. Sterling |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 15, 1952 |
Registration Type: | Patent |
Watch Case Waterproof
Patent Number: | 2609655 |
Description: | Watch Case Waterproof |
Inventor: | Henri Edmond Vermot |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 9, 1952 |
Registration Type: | Patent |
Measure Machine Attach
Patent Number: | 2610408 |
Description: | Measure Machine Attach |
Inventor: | Haaften E. Van D. Jr Hawks |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 16, 1952 |
Registration Type: | Patent |
Font Of Numeral
Patent Number: | D167547 |
Description: | Font Of Numeral |
Inventor: | Henri E. Vemot |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 19, 1952 |
Registration Type: | Patent |
Multiple Spring Tester
Patent Number: | 2614414 |
Description: | Multiple Spring Tester |
Inventor: | Robert E. Schafer Marlin I. Kreider |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 21, 1952 |
Registration Type: | Patent |
Semiautomatic Pivot Polisher
Patent Number: | 2614465 |
Description: | Semiautomatic Pivot Polisher |
Inventor: | James Donald Smith John E. Russell Markert |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 21, 1952 |
Registration Type: | Patent |
Mech Strip Deburring Tool
Patent Number: | 2619881 |
Description: | Mech Strip Deburring Tool |
Inventor: | John H. Dudley |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 2, 1952 |
Registration Type: | Patent |
Watch Oil
Patent Number: | 2636005 |
Description: | Watch Oil |
Inventor: | Joseph Stanley Jr Martin Joseph Stanley Martin |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 21, 1953 |
Registration Type: | Patent |
Equitorque Bearing
Patent Number: | 2654990 |
Description: | Equitorque Bearing |
Inventor: | Van James O. Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 13, 1953 |
Registration Type: | Patent |
Main Spring Dynamometer
Patent Number: | 2655039 |
Description: | Main Spring Dynamometer |
Inventor: | Haaften Egbert Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 13, 1953 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 2662366 |
Description: | Watch Electric |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 15, 1953 |
Registration Type: | Patent |
Hardness Tester
Patent Number: | 2662397 |
Description: | Hardness Tester |
Inventor: | David C. Goldberg Robert E. Schafer |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 15, 1953 |
Registration Type: | Patent |
Watch Balance Bar
Patent Number: | 2665546 |
Description: | Watch Balance Bar |
Inventor: | Haaften Egbert Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 12, 1954 |
Registration Type: | Patent |
Wind Stem
Patent Number: | 2690644 |
Description: | Wind Stem |
Inventor: | Henri E. Vermot |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 5, 1954 |
Registration Type: | Patent |
Watch Crown
Patent Number: | 2690645 |
Description: | Watch Crown |
Inventor: | Herman Rueger |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 5, 1954 |
Registration Type: | Patent |
Barrel Cap Apply And Endshake Adjust Mach
Patent Number: | 2690688 |
Description: | Barrel Cap Apply And Endshake Adjust Mach |
Inventor: | Haaften Egbert Van John Jr Reber |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 5, 1954 |
Registration Type: | Patent |
Floating Chuck
Patent Number: | 2693631 |
Description: | Floating Chuck |
Inventor: | Frank B. Redman |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 9, 1954 |
Registration Type: | Patent |
Hair Spring And Balance Arm Assembly
Patent Number: | 2706381 |
Description: | Hair Spring And Balance Arm Assembly |
Inventor: | Bruce E. Wolfe |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 19, 1955 |
Registration Type: | Patent |
Balance Wheel Motion Limiter
Patent Number: | 2717487 |
Description: | Balance Wheel Motion Limiter |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 13, 1955 |
Registration Type: | Patent |
Overrunning Clutch
Patent Number: | 2739682 |
Description: | Overrunning Clutch |
Inventor: | Harry S. Detwiler |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 27, 1956 |
Registration Type: | Patent |
Firing Pin Release Mech
Patent Number: | 2742860 |
Description: | Firing Pin Release Mech |
Inventor: | James W. Farmer Millard R. Thompson |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 24, 1956 |
Registration Type: | Patent |
Watch Automatic Main Spring Wind Mech
Patent Number: | 2756559 |
Description: | Watch Automatic Main Spring Wind Mech |
Inventor: | Kenneth W. Derr |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 31, 1956 |
Registration Type: | Patent |
Watch Wrist Battery Operated Electro Magnetic
Patent Number: | 764450 |
Description: | Watch Wrist Battery Operated Electro Magnetic |
Inventor: | Hamilton Watch Co |
Patent Date: | Dec 28, 1956 |
Registration Type: | Patent |
Retainer Ring For Balance Wheel Staff
Patent Number: | 2777279 |
Description: | Retainer Ring For Balance Wheel Staff |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 15, 1957 |
Registration Type: | Patent |
Clock Hand Set Mech
Patent Number: | 2777280 |
Description: | Clock Hand Set Mech |
Inventor: | Oscar R. Petters |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 15, 1957 |
Registration Type: | Patent |
Clock Watch Hand Power Operate Set
Patent Number: | 2784546 |
Description: | Clock Watch Hand Power Operate Set |
Inventor: | Oscar R. Petters |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 12, 1957 |
Registration Type: | Patent |
Tapered Gauge For Small Hole
Patent Number: | 2786277 |
Description: | Tapered Gauge For Small Hole |
Inventor: | Morton F. Zifferer |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 26, 1957 |
Registration Type: | Patent |
Nonspreading Lubricant
Patent Number: | 2794037 |
Description: | Nonspreading Lubricant |
Inventor: | Joseph S. Jr Martin |
Assignee: | Hamilton Watch Co |
Patent Date: | May 28, 1957 |
Registration Type: | Patent |
Watch Time Zone Hr Indicator
Patent Number: | 2794314 |
Description: | Watch Time Zone Hr Indicator |
Inventor: | Richard W. Slaugh |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 4, 1957 |
Registration Type: | Patent |
Overbanking Preventive Means
Patent Number: | 2806344 |
Description: | Overbanking Preventive Means |
Inventor: | Kenneth H. Schoenrock |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 17, 1957 |
Registration Type: | Patent |
Watch Contact Mech Battery Operated
Patent Number: | 2806908 |
Description: | Watch Contact Mech Battery Operated |
Inventor: | Horn John A. Van Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 17, 1957 |
Registration Type: | Patent |
Watch Luminous Dial
Patent Number: | 2823512 |
Description: | Watch Luminous Dial |
Inventor: | Van James O. Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 18, 1958 |
Registration Type: | Patent |
Sodium Bismuthate Cell
Patent Number: | 2828350 |
Description: | Sodium Bismuthate Cell |
Inventor: | John W. Jr Rhyne |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 25, 1958 |
Registration Type: | Patent |
Attach For Gauge
Patent Number: | 2829440 |
Description: | Attach For Gauge |
Inventor: | Donald R. Pedrick |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 8, 1958 |
Registration Type: | Patent |
Molybdenum Anode Cell
Patent Number: | 2837590 |
Description: | Molybdenum Anode Cell |
Inventor: | John W. Jr Rhyne |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 3, 1958 |
Registration Type: | Patent |
Germanium Anode Cell
Patent Number: | 2837591 |
Description: | Germanium Anode Cell |
Inventor: | John W. Jr Rhyne |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 3, 1958 |
Registration Type: | Patent |
Primary Cell Case
Patent Number: | 2837593 |
Description: | Primary Cell Case |
Inventor: | Herman Rueger |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 3, 1958 |
Registration Type: | Patent |
Isochronical Device
Patent Number: | 2838693 |
Description: | Isochronical Device |
Inventor: | Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 10, 1958 |
Registration Type: | Patent |
Pivot Polishing Machine
Patent Number: | 2850791 |
Description: | Pivot Polishing Machine |
Inventor: | Samuel L. Evans |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 9, 1958 |
Registration Type: | Patent |
Clock Motor Driven
Patent Number: | 2873572 |
Description: | Clock Motor Driven |
Inventor: | Thomas B. Gibbs Jean Fink |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 17, 1959 |
Registration Type: | Patent |
Primary Cell Construction
Patent Number: | 2877285 |
Description: | Primary Cell Construction |
Inventor: | Walter R. Kempf |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 10, 1959 |
Registration Type: | Patent |
Index Mech
Patent Number: | 2877654 |
Description: | Index Mech |
Inventor: | Philip E. Biemiller James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 17, 1959 |
Registration Type: | Patent |
Contact Spring Retainer
Patent Number: | 2887551 |
Description: | Contact Spring Retainer |
Inventor: | Harry S. Detwiler |
Assignee: | Hamilton Watch Co |
Patent Date: | May 19, 1959 |
Registration Type: | Patent |
Gauge Attach
Patent Number: | 2888751 |
Description: | Gauge Attach |
Inventor: | Donald R. Pedrick |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 2, 1959 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 2888797 |
Description: | Watch Electric |
Inventor: | Horn John A. Van Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 2, 1959 |
Registration Type: | Patent |
Epoxy Resin Cast Balance Wheel
Patent Number: | 2894367 |
Description: | Epoxy Resin Cast Balance Wheel |
Inventor: | Wilmer J. Gingrich |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 14, 1959 |
Registration Type: | Patent |
Drive Mech For An Index Wheel
Patent Number: | 2897680 |
Description: | Drive Mech For An Index Wheel |
Inventor: | Daniel Fritsch |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 4, 1959 |
Registration Type: | Patent |
Watch Electric Wrist Battery Holder
Patent Number: | 2907810 |
Description: | Watch Electric Wrist Battery Holder |
Inventor: | Oscar R. Petters Harwell B. Thompson |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 6, 1959 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 2966622 |
Description: | Watch Electric |
Inventor: | Philip E. Biemiller Marlin S. Walmer |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 27, 1960 |
Registration Type: | Patent |
Timepiece Electric
Patent Number: | 2923123 |
Description: | Timepiece Electric |
Inventor: | Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 2, 1960 |
Registration Type: | Patent |
Watch Electric Balance Wheel
Patent Number: | 2924728 |
Description: | Watch Electric Balance Wheel |
Inventor: | Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 9, 1960 |
Registration Type: | Patent |
Clock Or Watch Balance
Patent Number: | 2924932 |
Description: | Clock Or Watch Balance |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 16, 1960 |
Registration Type: | Patent |
Index Mech
Patent Number: | 2926534 |
Description: | Index Mech |
Inventor: | Daniel Fritsch |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 1, 1960 |
Registration Type: | Patent |
Counterbalance For Balance Wheel
Patent Number: | 2936571 |
Description: | Counterbalance For Balance Wheel |
Inventor: | Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | May 17, 1960 |
Registration Type: | Patent |
Watch Electric Balance Wheel
Patent Number: | 2936572 |
Description: | Watch Electric Balance Wheel |
Inventor: | Philip E. Biemiller Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | May 17, 1960 |
Registration Type: | Patent |
Primary Dry Cell
Patent Number: | 2937222 |
Description: | Primary Dry Cell |
Inventor: | Walter R. Kempf |
Assignee: | Hamilton Watch Co |
Patent Date: | May 17, 1960 |
Registration Type: | Patent |
Watch Bearing Mount
Patent Number: | 2938328 |
Description: | Watch Bearing Mount |
Inventor: | Kenneth W. Derr Russell W. Haus |
Assignee: | Hamilton Watch Co |
Patent Date: | May 31, 1960 |
Registration Type: | Patent |
Stem Actuate Second Set Stop Start Mech
Patent Number: | 2942410 |
Description: | Stem Actuate Second Set Stop Start Mech |
Inventor: | Kenneth H. Schoenrock |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 28, 1960 |
Registration Type: | Patent |
Watch Motor Electric
Patent Number: | 2948821 |
Description: | Watch Motor Electric |
Inventor: | Horn John A. Van Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 9, 1960 |
Registration Type: | Patent |
Battery Case Construction
Patent Number: | 2951891 |
Description: | Battery Case Construction |
Inventor: | Walter R. Kempf John W. Jr Rhyne |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 6, 1960 |
Registration Type: | Patent |
Watch Electric Balance Wheel Wrist
Patent Number: | 2952117 |
Description: | Watch Electric Balance Wheel Wrist |
Inventor: | James H. Reese Harry S. Detwiler |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 13, 1960 |
Registration Type: | Patent |
Cannon Pinion Assembly
Patent Number: | 2952118 |
Description: | Cannon Pinion Assembly |
Inventor: | Herman Rueger |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 13, 1960 |
Registration Type: | Patent |
Watch Electric Balance
Patent Number: | 2953896 |
Description: | Watch Electric Balance |
Inventor: | Horn John A. Van Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 27, 1960 |
Registration Type: | Patent |
Index Mech
Patent Number: | 2954662 |
Description: | Index Mech |
Inventor: | Harry S. Detwiler |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 4, 1960 |
Registration Type: | Patent |
Watch Contact Mech Electric
Patent Number: | 2954663 |
Description: | Watch Contact Mech Electric |
Inventor: | Philip E. Biemiller James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 4, 1960 |
Registration Type: | Patent |
Watch Magnetic Circuit Electric Wrist
Patent Number: | 2954664 |
Description: | Watch Magnetic Circuit Electric Wrist |
Inventor: | Philip E. Biemiller James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 4, 1960 |
Registration Type: | Patent |
Timepiece Electric Contact Mech
Patent Number: | 2956142 |
Description: | Timepiece Electric Contact Mech |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 11, 1960 |
Registration Type: | Patent |
Motor
Patent Number: | 2968756 |
Description: | Motor |
Inventor: | Lee Devol |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 17, 1961 |
Registration Type: | Patent |
Watch Electric Wrist
Patent Number: | 2972745 |
Description: | Watch Electric Wrist |
Inventor: | Philip E. Biemiller James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 21, 1961 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 2976435 |
Description: | Watch Electric |
Inventor: | Horn John A. Van Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 21, 1961 |
Registration Type: | Patent |
Clock Set And Automatic Regulate
Patent Number: | 2976673 |
Description: | Clock Set And Automatic Regulate |
Inventor: | Harwell B. Thompson Oscar R. Petters |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 28, 1961 |
Registration Type: | Patent |
Index Mech
Patent Number: | 2977750 |
Description: | Index Mech |
Inventor: | Philip E. Biemiller Kenneth H. Schoenrock |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 4, 1961 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 2978862 |
Description: | Watch Electric |
Inventor: | Helmut Epperlein |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 11, 1961 |
Registration Type: | Patent |
Timepiece Index Mech Electric
Patent Number: | 2981117 |
Description: | Timepiece Index Mech Electric |
Inventor: | Philip A. Studer |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 25, 1961 |
Registration Type: | Patent |
Primary Cell
Patent Number: | 2985703 |
Description: | Primary Cell |
Inventor: | Walter R. Kempf Harold S. Morgan |
Assignee: | Hamilton Watch Co |
Patent Date: | May 23, 1961 |
Registration Type: | Patent |
Battery Clip
Patent Number: | 2985704 |
Description: | Battery Clip |
Inventor: | Walter R. Kempf John W. Jr Rhyne |
Assignee: | Hamilton Watch Co |
Patent Date: | May 23, 1961 |
Registration Type: | Patent |
Battery Clip
Patent Number: | 2985705 |
Description: | Battery Clip |
Inventor: | Frederic H. Smythe |
Assignee: | Hamilton Watch Co |
Patent Date: | May 23, 1961 |
Registration Type: | Patent |
Short Duration Timer
Patent Number: | 2985776 |
Description: | Short Duration Timer |
Inventor: | Herbert Hilkemeier |
Assignee: | Hamilton Watch Co |
Patent Date: | May 23, 1961 |
Registration Type: | Patent |
Clock Battery Driven
Patent Number: | 2990676 |
Description: | Clock Battery Driven |
Inventor: | Kaj H. Jensen |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 4, 1961 |
Registration Type: | Patent |
Motor
Patent Number: | 2993159 |
Description: | Motor |
Inventor: | Lee Devol |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 18, 1961 |
Registration Type: | Patent |
Motor
Patent Number: | 2994023 |
Description: | Motor |
Inventor: | Lee Devol |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 25, 1961 |
Registration Type: | Patent |
Regulator Automatic
Patent Number: | 2994185 |
Description: | Regulator Automatic |
Inventor: | John Jr Reber |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 1, 1961 |
Registration Type: | Patent |
Watch Electric Wrist
Patent Number: | 2995887 |
Description: | Watch Electric Wrist |
Inventor: | Blanc Robert E. Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 15, 1961 |
Registration Type: | Patent |
Index & Contact Mech
Patent Number: | 2997839 |
Description: | Index & Contact Mech |
Inventor: | Daniel Fritsch |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 29, 1961 |
Registration Type: | Patent |
Battery Operated Timepiece
Patent Number: | 2997840 |
Description: | Battery Operated Timepiece |
Inventor: | Herman Rueger |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 29, 1961 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 3010037 |
Description: | Watch Electric |
Inventor: | Horn John A. Van Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 21, 1961 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 3010075 |
Description: | Watch Electric |
Inventor: | Helmut Epperlein |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 21, 1961 |
Registration Type: | Patent |
Index Mech
Patent Number: | 3011305 |
Description: | Index Mech |
Inventor: | Kaj H. Jensen |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 5, 1961 |
Registration Type: | Patent |
Timepiece Electric Magnetic Assembly
Patent Number: | 3012173 |
Description: | Timepiece Electric Magnetic Assembly |
Inventor: | Fred Koehler Donald A. Bly |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 5, 1961 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 3015206 |
Description: | Watch Electric |
Inventor: | Harry S. Detwiler James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 2, 1962 |
Registration Type: | Patent |
Watch Balance Wheel Assembly
Patent Number: | 3015207 |
Description: | Watch Balance Wheel Assembly |
Inventor: | Helmut Epperlein |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 2, 1962 |
Registration Type: | Patent |
Primary Cell
Patent Number: | 3015681 |
Description: | Primary Cell |
Inventor: | Edgar S. Long |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 2, 1962 |
Registration Type: | Patent |
Timepiece Electric Contact Mech
Patent Number: | 3015933 |
Description: | Timepiece Electric Contact Mech |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 9, 1962 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 3016685 |
Description: | Watch Electric |
Inventor: | James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 16, 1962 |
Registration Type: | Patent |
Hair Spring Stud
Patent Number: | 3016688 |
Description: | Hair Spring Stud |
Inventor: | Herman Rueger |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 16, 1962 |
Registration Type: | Patent |
Balance Wheel Overbalking Prevent Means
Patent Number: | 3017741 |
Description: | Balance Wheel Overbalking Prevent Means |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 23, 1962 |
Registration Type: | Patent |
Modular Timer
Patent Number: | 3023850 |
Description: | Modular Timer |
Inventor: | Oscar R. Petters |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 6, 1962 |
Registration Type: | Patent |
Watch Device Contact Electric
Patent Number: | 3034284 |
Description: | Watch Device Contact Electric |
Inventor: | Helmut Epperlein |
Assignee: | Hamilton Watch Co |
Patent Date: | May 15, 1962 |
Registration Type: | Patent |
Balance Wheel Actuate Mech
Patent Number: | 3034285 |
Description: | Balance Wheel Actuate Mech |
Inventor: | James H. Reese Harry S. Detwiler |
Assignee: | Hamilton Watch Co |
Patent Date: | May 15, 1962 |
Registration Type: | Patent |
Watch Contact Post
Patent Number: | 3040150 |
Description: | Watch Contact Post |
Inventor: | Herman Rueger |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 19, 1962 |
Registration Type: | Patent |
Index Mech
Patent Number: | 3041818 |
Description: | Index Mech |
Inventor: | Kaj H. Jensen |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 3, 1962 |
Registration Type: | Patent |
Clock Radio Sleep Switch
Patent Number: | 3052766 |
Description: | Clock Radio Sleep Switch |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 4, 1962 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 3048004 |
Description: | Watch Electric |
Inventor: | Harry S. Detwiler Carl E. Nelson |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 7, 1962 |
Registration Type: | Patent |
Clock Battery House For
Patent Number: | 3049861 |
Description: | Clock Battery House For |
Inventor: | Kaj H. Jensen |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 21, 1962 |
Registration Type: | Patent |
Clock Auto Automatic Start Device
Patent Number: | 3050930 |
Description: | Clock Auto Automatic Start Device |
Inventor: | Daniel Fritsch |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 28, 1962 |
Registration Type: | Patent |
Balance Wheel Coil Mount Assembly
Patent Number: | 3058292 |
Description: | Balance Wheel Coil Mount Assembly |
Inventor: | James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 16, 1962 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 3059412 |
Description: | Watch Electric |
Inventor: | Helmut Epperlein |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 23, 1962 |
Registration Type: | Patent |
Watch Pallet Fork Contact Index Electric
Patent Number: | 3059413 |
Description: | Watch Pallet Fork Contact Index Electric |
Inventor: | Harry S. Detwiler |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 23, 1962 |
Registration Type: | Patent |
Clock Radio Switch
Patent Number: | 3060287 |
Description: | Clock Radio Switch |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 23, 1962 |
Registration Type: | Patent |
Contact Mech
Patent Number: | 3060675 |
Description: | Contact Mech |
Inventor: | Carl A. Nelson |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 30, 1962 |
Registration Type: | Patent |
Watch Electric Contact System
Patent Number: | 3060676 |
Description: | Watch Electric Contact System |
Inventor: | Helmut Epperlein |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 30, 1962 |
Registration Type: | Patent |
Coil & Method Of Process Same
Patent Number: | 3063136 |
Description: | Coil & Method Of Process Same |
Inventor: | Ester V. Cammauf |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 13, 1962 |
Registration Type: | Patent |
Secondary Standard Timer
Patent Number: | 3063233 |
Description: | Secondary Standard Timer |
Inventor: | Donald A. Bly |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 13, 1962 |
Registration Type: | Patent |
Timepiece Electric Contact Bridge
Patent Number: | 3063234 |
Description: | Timepiece Electric Contact Bridge |
Inventor: | Harry S. Detwiler |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 13, 1962 |
Registration Type: | Patent |
Contact & Index Mech
Patent Number: | 3066474 |
Description: | Contact & Index Mech |
Inventor: | Harry S. Detwiler |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 4, 1962 |
Registration Type: | Patent |
Adjust Contact System
Patent Number: | 3069515 |
Description: | Adjust Contact System |
Inventor: | Fred Koehler |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 18, 1962 |
Registration Type: | Patent |
Clock Electric Manual Start
Patent Number: | 3071920 |
Description: | Clock Electric Manual Start |
Inventor: | John Jr Reber Donald A. Bly |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 8, 1963 |
Registration Type: | Patent |
Watch Electric
Patent Number: | RE25328 |
Description: | Watch Electric |
Inventor: | Harry S. Detwiler James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 5, 1963 |
Registration Type: | Patent |
Clock Housing
Patent Number: | 3090193 |
Description: | Clock Housing |
Inventor: | Kaj H. Jensen |
Assignee: | Hamilton Watch Co |
Patent Date: | May 21, 1963 |
Registration Type: | Patent |
Watch Electric Index Mech Battery Operate
Patent Number: | 3090245 |
Description: | Watch Electric Index Mech Battery Operate |
Inventor: | John Jr Reber |
Assignee: | Hamilton Watch Co |
Patent Date: | May 21, 1963 |
Registration Type: | Patent |
Watch Electric Balance Wheel
Patent Number: | 3091914 |
Description: | Watch Electric Balance Wheel |
Inventor: | James H. Reese Peter J. Serlemitsos |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 4, 1963 |
Registration Type: | Patent |
Timepiece Automatic Regulator
Patent Number: | 3091916 |
Description: | Timepiece Automatic Regulator |
Inventor: | Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 4, 1963 |
Registration Type: | Patent |
Watch Electric Index System Contact
Patent Number: | 3095690 |
Description: | Watch Electric Index System Contact |
Inventor: | Helmut Epperlein |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 2, 1963 |
Registration Type: | Patent |
Watch Electric Transistor Control Contact
Patent Number: | 3098185 |
Description: | Watch Electric Transistor Control Contact |
Inventor: | Roderick M. Jackson |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 16, 1963 |
Registration Type: | Patent |
Apparatus Lapping Thin Article
Patent Number: | 3105328 |
Description: | Apparatus Lapping Thin Article |
Inventor: | Joseph Torres |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 1, 1963 |
Registration Type: | Patent |
Automatic Regulator
Patent Number: | 3113417 |
Description: | Automatic Regulator |
Inventor: | Donald A. Bly |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 10, 1963 |
Registration Type: | Patent |
Automatic Timekeeping Regulator
Patent Number: | 3114238 |
Description: | Automatic Timekeeping Regulator |
Inventor: | Blanc Robert E. Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 17, 1963 |
Registration Type: | Patent |
Timepiece Automatic Regulator
Patent Number: | 3116592 |
Description: | Timepiece Automatic Regulator |
Inventor: | Daniel Fritsch |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 7, 1964 |
Registration Type: | Patent |
Automatic Regulator
Patent Number: | 3116593 |
Description: | Automatic Regulator |
Inventor: | Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 7, 1964 |
Registration Type: | Patent |
Timepiece Automatic Regulate Mech
Patent Number: | 3116594 |
Description: | Timepiece Automatic Regulate Mech |
Inventor: | Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 7, 1964 |
Registration Type: | Patent |
Clock Auto Electro Magnetic Wind
Patent Number: | 3117255 |
Description: | Clock Auto Electro Magnetic Wind |
Inventor: | Miles L. Peterson |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 7, 1964 |
Registration Type: | Patent |
Coil Test Device A D C Balance Oscillator
Patent Number: | 3120637 |
Description: | Coil Test Device A D C Balance Oscillator |
Inventor: | Peter J. Serlemitsos |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 4, 1964 |
Registration Type: | Patent |
Contact Index System
Patent Number: | 3130537 |
Description: | Contact Index System |
Inventor: | James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 28, 1964 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 3136034 |
Description: | Watch Electric |
Inventor: | James H. Reese Peter J. Serlemitsos |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 9, 1964 |
Registration Type: | Patent |
Regulator Variable
Patent Number: | 3136116 |
Description: | Regulator Variable |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 9, 1964 |
Registration Type: | Patent |
Timepiece Limit Automatic Regulate Mech
Patent Number: | 3140578 |
Description: | Timepiece Limit Automatic Regulate Mech |
Inventor: | Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 14, 1964 |
Registration Type: | Patent |
Clock Electric Regulator Automatic
Patent Number: | 3142956 |
Description: | Clock Electric Regulator Automatic |
Inventor: | Donald A. Bly Blanc Robert E. Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 4, 1964 |
Registration Type: | Patent |
Index Mech
Patent Number: | 3143848 |
Description: | Index Mech |
Inventor: | Philip E. Biemiller Kenneth H. Schoenrock |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 11, 1964 |
Registration Type: | Patent |
Watch Or Clock Electric Escape
Patent Number: | 3147583 |
Description: | Watch Or Clock Electric Escape |
Inventor: | Daniel Fritsch |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 8, 1964 |
Registration Type: | Patent |
Watch Electric Contact Index System
Patent Number: | 3151440 |
Description: | Watch Electric Contact Index System |
Inventor: | Kenneth H. Schoenrock |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 6, 1964 |
Registration Type: | Patent |
Electric Contact Magnet Index System
Patent Number: | 3158988 |
Description: | Electric Contact Magnet Index System |
Inventor: | Marlin S. Walmer |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 1, 1964 |
Registration Type: | Patent |
Watch Electric Balance
Patent Number: | 3162996 |
Description: | Watch Electric Balance |
Inventor: | Louis G. Brethauer |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 29, 1964 |
Registration Type: | Patent |
Snap Closure Switch 1 Way Clutch Drive
Patent Number: | 3163727 |
Description: | Snap Closure Switch 1 Way Clutch Drive |
Inventor: | Ralph G. Eshleman |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 29, 1964 |
Registration Type: | Patent |
Watch Wrist Electric
Patent Number: | 3169364 |
Description: | Watch Wrist Electric |
Inventor: | Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 16, 1965 |
Registration Type: | Patent |
Timepiece Movement For Inertial System
Patent Number: | 3186156 |
Description: | Timepiece Movement For Inertial System |
Inventor: | John O. James |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 1, 1965 |
Registration Type: | Patent |
Interval Timer Control Time Relay Means
Patent Number: | 3188408 |
Description: | Interval Timer Control Time Relay Means |
Inventor: | James W. Farmer |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 8, 1965 |
Registration Type: | Patent |
Timer Pulse
Patent Number: | 3218793 |
Description: | Timer Pulse |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 23, 1965 |
Registration Type: | Patent |
Method Of Regulate & Poise Adjust
Patent Number: | 3225586 |
Description: | Method Of Regulate & Poise Adjust |
Inventor: | John Jr Reber |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 28, 1965 |
Registration Type: | Patent |
Clock Escape Magnetic Brake
Patent Number: | 3236043 |
Description: | Clock Escape Magnetic Brake |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 22, 1966 |
Registration Type: | Patent |
Timepiece Calendar
Patent Number: | 3240006 |
Description: | Timepiece Calendar |
Inventor: | James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 15, 1966 |
Registration Type: | Patent |
Watch Electric
Patent Number: | 3248585 |
Description: | Watch Electric |
Inventor: | James H. Reese Peter J. Seriemitsos |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 26, 1966 |
Registration Type: | Patent |
Hair Spring Wire Bend Strength Guage
Patent Number: | 3248935 |
Description: | Hair Spring Wire Bend Strength Guage |
Inventor: | Miles L. Peterson |
Assignee: | Hamilton Watch Co |
Patent Date: | May 3, 1966 |
Registration Type: | Patent |
Timepiece Calendar
Patent Number: | 3258907 |
Description: | Timepiece Calendar |
Inventor: | Luain W. Hamblin |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 5, 1966 |
Registration Type: | Patent |
Snap Switch For Move Second Contact
Patent Number: | 3261935 |
Description: | Snap Switch For Move Second Contact |
Inventor: | Donald J. Rogers |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 19, 1966 |
Registration Type: | Patent |
Watch Electric
Patent Number: | RE26187 |
Description: | Watch Electric |
Inventor: | Horn John A. Van Philip E. Biemiller |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 4, 1967 |
Registration Type: | Patent |
Watch Main Spring Indicator
Patent Number: | 3315461 |
Description: | Watch Main Spring Indicator |
Inventor: | Ralph G. Eshleman John O. James |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 25, 1967 |
Registration Type: | Patent |
Clock Electric Self Start
Patent Number: | 3332229 |
Description: | Clock Electric Self Start |
Inventor: | John L. Klinck Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 25, 1967 |
Registration Type: | Patent |
Watch Balance Variable Inertia
Patent Number: | 3338048 |
Description: | Watch Balance Variable Inertia |
Inventor: | Philip A. Studer |
Assignee: | Hamilton Watch Co |
Patent Date: | Aug 29, 1967 |
Registration Type: | Patent |
Watch Electric Calendar Mech
Patent Number: | 3353348 |
Description: | Watch Electric Calendar Mech |
Inventor: | Donald W. Brashear |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 21, 1967 |
Registration Type: | Patent |
Watch Electric Calendar Set & Detent Mech
Patent Number: | 3360922 |
Description: | Watch Electric Calendar Set & Detent Mech |
Inventor: | Donald J. Rogers |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 2, 1968 |
Registration Type: | Patent |
Watch Wrist Calendar Drive
Patent Number: | 3367104 |
Description: | Watch Wrist Calendar Drive |
Inventor: | Donald J. Rogers |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 6, 1968 |
Registration Type: | Patent |
Watch Wrist Electric Calendar
Patent Number: | 3377795 |
Description: | Watch Wrist Electric Calendar |
Inventor: | Donald J. Rogers |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 16, 1968 |
Registration Type: | Patent |
Watch Wrist Electric Calendar
Patent Number: | 3377796 |
Description: | Watch Wrist Electric Calendar |
Inventor: | Donald J. Rogers |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 16, 1968 |
Registration Type: | Patent |
Watch Balance Regulator
Patent Number: | 3382667 |
Description: | Watch Balance Regulator |
Inventor: | Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | May 14, 1968 |
Registration Type: | Patent |
Watch Regulator
Patent Number: | 3425211 |
Description: | Watch Regulator |
Inventor: | Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 4, 1969 |
Registration Type: | Patent |
Watch Calendar Mech
Patent Number: | 3427798 |
Description: | Watch Calendar Mech |
Inventor: | Donald J. Rogers Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 18, 1969 |
Registration Type: | Patent |
Watch Dial
Patent Number: | 3431721 |
Description: | Watch Dial |
Inventor: | James R. Slaugh |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 11, 1969 |
Registration Type: | Patent |
Watch Pallet Index Mech
Patent Number: | 3446007 |
Description: | Watch Pallet Index Mech |
Inventor: | Nathan Cohen |
Assignee: | Hamilton Watch Co |
Patent Date: | May 27, 1969 |
Registration Type: | Patent |
Watch Electric Wind
Patent Number: | 3474618 |
Description: | Watch Electric Wind |
Inventor: | John I. Klinck |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 28, 1969 |
Registration Type: | Patent |
Recorder Elapsed Time
Patent Number: | 3479815 |
Description: | Recorder Elapsed Time |
Inventor: | Stuart M. Jr Prindell Malcolm R. Perry |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 25, 1969 |
Registration Type: | Patent |
Watch Pallet Type Index
Patent Number: | 3488942 |
Description: | Watch Pallet Type Index |
Inventor: | Cleon W. Hougendobler |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 13, 1970 |
Registration Type: | Patent |
Timepiece High Frequency
Patent Number: | 3492806 |
Description: | Timepiece High Frequency |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 3, 1970 |
Registration Type: | Patent |
Watch Contact Index System
Patent Number: | 3505805 |
Description: | Watch Contact Index System |
Inventor: | Nathan Cohen James H. Eckenrode |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 14, 1970 |
Registration Type: | Patent |
Watch Electro Mechanical
Patent Number: | 3509714 |
Description: | Watch Electro Mechanical |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | May 5, 1970 |
Registration Type: | Patent |
Watch Balance Electric
Patent Number: | 3534546 |
Description: | Watch Balance Electric |
Inventor: | Van James O. Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 20, 1970 |
Registration Type: | Patent |
Watch Electronic
Patent Number: | 3538703 |
Description: | Watch Electronic |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 10, 1970 |
Registration Type: | Patent |
Watch Escape
Patent Number: | 3538705 |
Description: | Watch Escape |
Inventor: | Malcolm R. Perry |
Assignee: | Hamilton Watch Co |
Patent Date: | Nov 10, 1970 |
Registration Type: | Patent |
Watch Balance Electric
Patent Number: | 3548586 |
Description: | Watch Balance Electric |
Inventor: | John L. Klinck |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 22, 1970 |
Registration Type: | Patent |
Watch Wrist Electric Low Power
Patent Number: | 3560998 |
Description: | Watch Wrist Electric Low Power |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 2, 1971 |
Registration Type: | Patent |
Watch Wrist Digital
Patent Number: | 3566602 |
Description: | Watch Wrist Digital |
Inventor: | John M. Bergey Kenneth W. Derr |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 2, 1971 |
Registration Type: | Patent |
Watch Electric Resist Bridge
Patent Number: | 3568430 |
Description: | Watch Electric Resist Bridge |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 9, 1971 |
Registration Type: | Patent |
Watch Wrist Led
Patent Number: | 3576099 |
Description: | Watch Wrist Led |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 27, 1971 |
Registration Type: | Patent |
Watch Jewel Shockproof
Patent Number: | 3590575 |
Description: | Watch Jewel Shockproof |
Inventor: | James H. Eckenrode |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 6, 1971 |
Registration Type: | Patent |
Watch Calendar Stem Set
Patent Number: | 3609954 |
Description: | Watch Calendar Stem Set |
Inventor: | Cleon W. Hougendobler |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 5, 1971 |
Registration Type: | Patent |
Watch Wrist Lcd
Patent Number: | 3613351 |
Description: | Watch Wrist Lcd |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 19, 1971 |
Registration Type: | Patent |
Watch Calendar Mech
Patent Number: | RE27278 |
Description: | Watch Calendar Mech |
Inventor: | Donald W. Brasher |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 18, 1972 |
Registration Type: | Patent |
Watch Transducer
Patent Number: | 3641761 |
Description: | Watch Transducer |
Inventor: | James H. Reese |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 15, 1972 |
Registration Type: | Patent |
Watch Calendar Set Mech
Patent Number: | RE27290 |
Description: | Watch Calendar Set Mech |
Inventor: | Donald J. Rogers Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 22, 1972 |
Registration Type: | Patent |
Watch Electronic Low Power
Patent Number: | 3664118 |
Description: | Watch Electronic Low Power |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | May 23, 1972 |
Registration Type: | Patent |
Watch Wrist Solid State
Patent Number: | 3672155 |
Description: | Watch Wrist Solid State |
Inventor: | John M. Bergey Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 27, 1972 |
Registration Type: | Patent |
Watch Electronic
Patent Number: | 3676993 |
Description: | Watch Electronic |
Inventor: | John M. Bergey Van James O. Le |
Assignee: | Hamilton Watch Co |
Patent Date: | Jul 18, 1972 |
Registration Type: | Patent |
Watch Lcd
Patent Number: | 3701249 |
Description: | Watch Lcd |
Inventor: | John M. Bergey Eric L. Blouch |
Assignee: | Hamilton Watch Co |
Patent Date: | Oct 31, 1972 |
Registration Type: | Patent |
Watch Solid State
Patent Number: | 3707071 |
Description: | Watch Solid State |
Inventor: | Richard S. Walton |
Assignee: | Hamilton Watch Co |
Patent Date: | Dec 26, 1972 |
Registration Type: | Patent |
Watch Wrist Electronic
Patent Number: | 3714867 |
Description: | Watch Wrist Electronic |
Inventor: | Bruno M. Dargent |
Assignee: | Hamilton Watch Co |
Patent Date: | Feb 6, 1973 |
Registration Type: | Patent |
Watch Electronic
Patent Number: | 3721084 |
Description: | Watch Electronic |
Inventor: | Bruno M. Dargent |
Assignee: | Hamilton Watch Co |
Patent Date: | Mar 20, 1973 |
Registration Type: | Patent |
Watch Wrist Electronic
Patent Number: | 3760584 |
Description: | Watch Wrist Electronic |
Inventor: | Bruno M. Dargent |
Assignee: | Hamilton Watch Co |
Patent Date: | Sep 25, 1973 |
Registration Type: | Patent |