Reference Library
Pocket Watch Regulators
The regulator is used to adjust the balance wheel's rate of oscillation in order to improve accuracy of the watch. Several varieties of watch regulators were used in movement designs, most of which were patented, often called "Patent Regulators." The best regulators offer extreme precision while adjusting the rate of oscillation. A patent regulator was often an indicator of quality.
| Regulator Name | Inventor | Primary Manufacturer | Patent Date | Patent | |
|---|---|---|---|---|---|
|
Aurora |
Johnson | Aurora | ||
|
Ball |
Webster C. Ball
Cleveland, Ohio |
Ball/Elgin | Aug 18 1896 | Patent #565955 |
|
Bischel |
G. Bischel Sedalia, Missouri |
Gruen/Columbus Watch Co. | May 28 1878 | Patent #204287 |
|
Bitner |
A. Bitner Lancaster, Pennsylvania |
Lancaster Penn. Watch Co., Keystone Watch Co. | Oct 10 1882 | Patent #265568 |
|
|
Bitner |
A. Bitner Lancaster, Pennsylvania |
Lancaster Watch Co. | Oct 10 1882 | Patent #265568 |
|
Bosley Plain, Simple, Free, Common |
Joseph Bosley | Many | c. 1755 | |
|
Chalmers |
David W. Chalmers Springfield, Illinois |
Illinois | Dec 19 1882 | Patent #269385 |
|
Church 1885 Starwheel |
Duane H. Church Waltham, Massachusetts |
Waltham | Feb 17 1885 | Patent #312253 |
|
Church 1892 Starwheel |
Duane H. Church Newton, Massachusetts |
Waltham | Oct 11 1892 | Patent #484176 |
|
Columbus Spring |
(Reed Variant) | Columbus Watch Co. | Feb 5 1867 | Patent #61867 |
|
Dustproof Plain |
(Bosley Variant) | Lancaster Watch Co. | c. 1755 | |
| E. Howard 1921 |
Unknown | E. Howard Watch Co. (Keystone) | |||
| E. Howard Reed |
George P. Reed Roxbury, Massachusetts |
E. Howard Watch Co. (Keystone) | Feb 5 1867 | Patent #61867 | |
| E. Howard Type 2 |
Unknown | E. Howard Watch Co. (Keystone) | |||
|
Elgin "Old Style" |
Unknown | Elgin | ||
|
Elson 1870 |
Julius Elson Boston, Massachusetts |
U.S. Watch Co. (Marion, NJ) | Mar 8 1870 | Patent #100511 |
|
Estell |
Samuel F. Estell Richmond, Indiana |
Swiss | Jan 14 1868 | Patent #73240 |
|
Fogg |
Charles W. Fogg Middlesex, Massachusetts |
Waltham | Feb 2 1864 | Patent #41461 |
|
Goldthwait Hamilton Regulator |
William Goldthwait Long Meadow, Massachusetts |
Hamilton | May 6 1890 | Patent #427072 |
|
Goold |
F.C. Goold (1/2 Assigned to J.P. Lowell) Boston, Massachusetts |
Various | Oct 17 1882 | Patent #266256 |
|
Hamilton Spring |
(Reed Variant) | Hamilton | Feb 5 1867 | Patent #61867 |
|
Hampden Screw Small Rack & Pinion |
Unknown | Hampden | ||
|
Hampden Star Starwheel Rack & Pinion |
Unknown | Hampden | ||
|
Hart |
Edwin Hart New Haven, Connecticut |
New England Watch Co. | Apr 14 1899 | Patent #621245 |
|
Hawkins |
M.C. Hawkins and C.T. Higginbothom Edinborough, Pennsylvania |
New York Watch Co. | Aug 1 1876 | Patent #180579 |
|
Howard |
Clarence M. Howard Fredonia, New York |
Peoria, Fredonia | Mar 31 1885 | Patent #314672 |
|
Hurd 1874 |
Joseph W. Hurd Grand Crossing, Illinois |
Rockford | Jun 2 1874 | Patent #151537 |
|
Hurd 1887 |
Joseph W. Hurd Aurora, Illinois |
Aurora | Aug 30 1887 | Patent #369006 |
|
Illinois Screw |
Unknown | Illinois | ||
|
Illinois Spring |
Unknown | Illinois | ||
|
Illinois Whipspring |
(Reed Variant) | Illinois | Feb 5 1867 | Patent #61867 |
|
Lancaster Plain |
(Bosley Variant) | Lancaster Watch Co. | c. 1755 | |
|
Marion Plain In |
(Bosley Variant) | U.S. Watch Co. (Marion, NJ) | c. 1755 | |
|
Marion Plain Out |
(Bosley Variant) | U.S. Watch Co. (Marion, NJ) | c. 1755 | |
|
Matheson |
William M. Matheson Waltham, Massachusetts |
U.S. Watch Co. (Waltham) | Apr 14 1893 | Patent #493508 |
|
Mershon 1860 |
Ralph S. Mershon Philadelphia, Pennsylvania |
E. Howard | Feb 7 1860 | Patent #RE892 |
|
Moseley Traveling Nut |
Charles S. Moseley and George Hunter Elgin, Illinois |
Elgin | Nov 17 1874 | Patent #157021 |
|
New York Standard Plain |
(Bosley Variant) | New York Standard Watch Co. | c. 1755 | |
|
New York Standard Type 2 |
(Reed Variant) | New York Standard Watch Co. | Feb 5 1867 | Patent #61867 |
|
New York Standard Type 3 |
(Reed Variant) | New York Standard Watch Co. | Feb 5 1867 | Patent #61867 |
|
New York Standard Type 4 |
(Reed Variant) | New York Standard Watch Co. | Feb 5 1867 | Patent #61867 |
|
New York Standard Type 5 Shipwheel |
New York Standard Watch Co. | |||
|
New York Standard Type 6 Starwheel |
New York Standard Watch Co. | |||
|
Ohlson 1906 |
Olof Ohlson Newton, Massachusetts |
Waltham | Apr 17 1906 | Patent #818043 |
|
Ohlson 1908 |
Olof Ohlson Newton, Massachusetts |
Waltham | Jul 28 1908 | Patent #894457 |
|
Oliver |
Richard Oliver Brooklyn, New York |
Richard Oliver | May 9 1882 | Patent #257511 |
|
Owen |
W.W. Owen Columbus, Ohio |
Columbus Watch Co. | Feb 9 1886 | Patent #336060 |
|
Porter |
Wilson E. Porter New Haven, Connecticut |
New Haven | Feb 8 1910 | Patent #948652 |
|
Reed Whipspring, Whiplash, Gooseneck |
George P. Reed Boston, Massachusetts |
Many | Feb 5 1867 | Patent #61867 |
|
Rockford Plain |
(Bosley Variant) | Rockford | c. 1755 | |
|
Rockford Type 1 |
(Hurd 1874 Variant) Grand Crossing, Illinois |
Rockford | Jun 2 1874 | Patent #151537 |
|
Rockford Type 3 |
(Reed Variant) | Rockford | Feb 5 1867 | Patent #61867 |
|
Rockford Type 4 |
Unknown | Rockford | ||
|
Rockford Type 5 |
Unknown | Rockford | ||
|
Rockford Type 6 |
(Reed Variant) | Rockford | Feb 5 1867 | Patent #61867 |
|
Rockford Type 7 |
(Reed Variant) | Rockford | Feb 5 1867 | Patent #61867 |
|
Rockford Type 8 |
Unknown | Rockford | ||
|
Seth Thomas Spring |
(Reed Variant) | Seth Thomas | Feb 5 1867 | Patent #61867 |
|
Seth Thomas Star |
Seth Thomas | |||
|
Short Tadpole Fogg Tadpole |
Charles W. Fogg Waltham, Massachusetts |
Waltham | ||
|
South Bend Needle |
Unknown | South Bend | ||
|
South Bend Nut |
Unknown | South Bend | ||
|
South Bend Spring |
Unknown | South Bend | ||
|
Stevens |
J.P. Stevens Atlanta, Georgia |
J.P. Stevens | Sep 19 1882 | Patent #264787 |
|
Teske |
Charles Teske Saratoga Springs, New York |
Hampden and Aftermarket Installations | Oct 5 1875 | Patent #168429 |
|
Teske Angled |
Charles Teske Saratoga Springs, New York |
Hampden and Aftermarket Installations | Oct 5 1875 | Patent #168429 |
|
Tompion |
Thomas Tompion | Various Fusee | c. 1674 | |
|
Warren |
Andrew Warren Waltham, Massachusetts |
Tremont | Sep 17 1867 | Patent #69053 |
|
Wheeler 1880 |
Phillip H. Wheeler Springfield, Illinois |
Illinois | Jun 22 1880 | Patent #229215 |
|
Wheeler 1886 |
Phillip H. Wheeler Columbus, Ohio |
Columbus Watch Co. | Dec 14 1886 | Patent #354283 |
|
Wilmot Nautilus |
Francois Wilmot New York, New York |
Various Swiss | Jul 16 1872 | Patent #129197 |
|
Woerd 1870 |
Charles Vander Woerd Waltham, Massachusetts |
Waltham | Dec 27 1870 | Patent #110614 |
|
Woerd 1870 B |
Charles Vander Woerd Waltham, Massachusetts |
Waltham | Dec 27 1870 | Patent #110614 |
|
Woerd 1877 Long Tadpole |
Charles Vander Woerd Waltham, Massachusetts |
Waltham | Nov 27 1877 | Patent #197710 |
|
Zahm |
H.L. and E.J. Zahm Lancaster, Pennsylvania |
Cornell | Oct 1 1867 | Patent #69381 |
| Regulator Name | Inventor | Primary Manufacturer | Patent Date | Patent | |
|---|---|---|---|---|---|
|
Allen |
J.P. Allen and W.P. Banta Springfield, Ohio |
Mar 1 1870 | Patent #100246 | |
|
|
Aurora |
Johnson | Aurora | ||
|
Awalt |
J.A. Awalt Anderson, Indiana |
Oct 11 1881 | Patent #248126 | |
|
|
Ball |
Webster C. Ball
Cleveland, Ohio |
Ball/Elgin | Aug 18 1896 | Patent #565955 |
|
|
Bischel |
G. Bischel Sedalia, Missouri |
Gruen/Columbus Watch Co. | May 28 1878 | Patent #204287 |
|
|
Bitner |
A. Bitner Lancaster, Pennsylvania |
Lancaster Penn. Watch Co., Keystone Watch Co. | Oct 10 1882 | Patent #265568 |
|
|
Bitner |
A. Bitner Lancaster, Pennsylvania |
Lancaster Watch Co. | Oct 10 1882 | Patent #265568 |
|
Blake |
Charles R. Blake Frankfort, Indiana |
Oct 2 1883 | Patent #285959 | |
|
Bolton |
Thomas R. Bolton New York, New York |
Mar 19 1901 | Patent #670364 | |
|
|
Bosley Plain, Simple, Free, Common |
Joseph Bosley | Many | c. 1755 | |
|
Boynett |
E.G. Boynett Jersey City, New Jersey |
Aug 1 1876 | Patent #180531 | |
|
Brun |
Joseph Brun Neuchatel, Switzerland |
Apr 18 1906 | Patent #824466 | |
|
Buckingham |
Frank W. Buckingham Greensburg, Pennsylvania |
Sep 15 1908 | Patent #898962 | |
|
|
Chalmers |
David W. Chalmers Springfield, Illinois |
Illinois | Dec 19 1882 | Patent #269385 |
|
|
Church 1885 Starwheel |
Duane H. Church Waltham, Massachusetts |
Waltham | Feb 17 1885 | Patent #312253 |
|
|
Church 1892 Starwheel |
Duane H. Church Newton, Massachusetts |
Waltham | Oct 11 1892 | Patent #484176 |
|
Clark |
Jedidiah P. Clark Philadelphia, Pennsylvania |
May 9 1871 | Patent #114644 | |
|
Clausen |
A.C. Clausen (1/2 Assigned to J.C. Slafter) Minneapolis, Minnesota |
Feb 12 1884 | Patent #293420 | |
|
Colby |
Caleb K. Colby Brooklyn, New York |
Jun 27 1899 | Patent #627817 | |
|
Colby 1899 |
Caleb K. Colby Brooklyn, New York |
Jun 13 1899 | Patent #627053 | |
|
|
Columbus Spring |
(Reed Variant) | Columbus Watch Co. | Feb 5 1867 | Patent #61867 |
|
Comstock |
T.C. Comstock and T.H. Butler Indianapolis, Indiana |
Apr 19 1881 | Patent #240386 | |
|
Conover |
William Wallace Conover Toronto, Ontario, Canada |
Apr 5 1904 | Patent #756589 | |
|
Cowles |
I.C. Cowles Syracuse, New York |
Nov 14 1876 | Patent #184229 | |
|
DeLong |
Charles DeLong South McAlester, Indian Territory |
Jan 17 1905 | Patent #780160 | |
|
Dennison |
A.L. Dennison Waltham, Massachusetts |
Dec 11 1860 | Patent #30873 | |
|
Ducommun |
Armand Ducommun Chippewa Falls, Wisconsin |
Oct 13 1891 | Patent #460957 | |
|
|
Dustproof Plain |
(Bosley Variant) | Lancaster Watch Co. | c. 1755 | |
| E. Howard 1921 |
Unknown | E. Howard Watch Co. (Keystone) | |||
| E. Howard Reed |
George P. Reed Roxbury, Massachusetts |
E. Howard Watch Co. (Keystone) | Feb 5 1867 | Patent #61867 | |
| E. Howard Type 2 |
Unknown | E. Howard Watch Co. (Keystone) | |||
|
Eaton |
L. Eaton Worcester, Massachusetts |
Dec 28 1880 | Patent #235940 | |
|
Eddy |
N.J. Eddy Portland, Michigan |
Jun 1 1886 | Patent #342864 | |
|
Eldredge |
D. W. Eldredge | Feb 22 1870 | ||
|
|
Elgin "Old Style" |
Unknown | Elgin | ||
|
|
Elson 1870 |
Julius Elson Boston, Massachusetts |
U.S. Watch Co. (Marion, NJ) | Mar 8 1870 | Patent #100511 |
|
Elson 1871 |
Julius Elson | Apr 4 1871 | ||
|
Engwall |
Oscar F. Engwall Chicago, Illinois |
Feb 24 1903 | Patent #721361 | |
|
Engwall 1899 |
Oscar F. Engwall Chicago, Illinois |
Jun 7 1899 | Patent #635760 | |
|
Erikson |
Laurence Erikson Evanston, Illinois |
Jan 15 1901 | Patent #665889 | |
|
|
Estell |
Samuel F. Estell Richmond, Indiana |
Swiss | Jan 14 1868 | Patent #73240 |
|
Fasoldt |
C. Fasoldt Rome, New York |
Apr 5 1864 | Patent #42175 | |
|
|
Fogg |
Charles W. Fogg Middlesex, Massachusetts |
Waltham | Feb 2 1864 | Patent #41461 |
|
Gaarder |
Simon L. Gaarder Pope, Minnesota |
Sep 8 1891 | Patent #459278 | |
|
Gauthier |
Agile N. Gauthier New Orleans, Louisiana |
Aug 13 1895 | Patent #544576 | |
|
Geiger |
Charles M. Geiger Salt Lake City, Utah |
Aug 13 1901 | Patent #680325 | |
|
|
Goldthwait Hamilton Regulator |
William Goldthwait Long Meadow, Massachusetts |
Hamilton | May 6 1890 | Patent #427072 |
|
|
Goold |
F.C. Goold (1/2 Assigned to J.P. Lowell) Boston, Massachusetts |
Various | Oct 17 1882 | Patent #266256 |
|
Grandjean |
E.F.L. Grandjean Bienne, Switzerland |
Dec 18 1888 | Patent #394919 | |
|
|
Hamilton Spring |
(Reed Variant) | Hamilton | Feb 5 1867 | Patent #61867 |
|
|
Hampden Screw Small Rack & Pinion |
Unknown | Hampden | ||
|
|
Hampden Star Starwheel Rack & Pinion |
Unknown | Hampden | ||
|
|
Hart |
Edwin Hart New Haven, Connecticut |
New England Watch Co. | Apr 14 1899 | Patent #621245 |
|
|
Hawkins |
M.C. Hawkins and C.T. Higginbothom Edinborough, Pennsylvania |
New York Watch Co. | Aug 1 1876 | Patent #180579 |
|
Hill |
A. Hill New York, New York |
Nov 6 1866 | Patent #59394 | |
|
Hoffman |
Charles M. Hoffman White River Junction, Vermont |
Dec 26 1882 | Patent #269670 | |
|
Horton |
W.H. Horton Jersey City, New Jersey |
May 7 1870 | Patent #103190 | |
|
|
Howard |
Clarence M. Howard Fredonia, New York |
Peoria, Fredonia | Mar 31 1885 | Patent #314672 |
|
Howard 1881 |
Clarence M. Howard Fredonia, New York |
Mar 22 1881 | Patent #239167 | |
|
|
Hurd 1874 |
Joseph W. Hurd Grand Crossing, Illinois |
Rockford | Jun 2 1874 | Patent #151537 |
|
|
Hurd 1887 |
Joseph W. Hurd Aurora, Illinois |
Aurora | Aug 30 1887 | Patent #369006 |
|
Hyde |
J.L. Hyde New York, New York |
Jan 15 1867 | Patent #61204 | |
|
|
Illinois Screw |
Unknown | Illinois | ||
|
|
Illinois Spring |
Unknown | Illinois | ||
|
|
Illinois Whipspring |
(Reed Variant) | Illinois | Feb 5 1867 | Patent #61867 |
|
Jewett |
A. Jewett Boston, Massachusetts |
Apr 2 1867 | Patent #63525 | |
|
Johanson |
Olof Johanson New York, New York |
Dec 19 1899 | Patent #639578 | |
| Johnson |
John A. Johnson Rockford, Illinois |
Mar 29 1881 | Patent #239387 | ||
|
Johnson 1868 |
Frank G. Johnson | Sep 8 1868 | Patent #81907 | |
|
Jones |
C.E. Jones Elgin, Illinois |
Jun 28 1887 | Patent #365688 | |
|
Jones 1869 |
E.A. Jones Boston, Massachusetts |
Feb 2 1869 | Patent #86411 | |
|
Kaul |
P & C Kaul (1/3 Assigned to E. Zeitz) Lancaster, Pennsylvania |
Jul 14 1885 | Patent #322185 | |
|
Keeping |
F. Keeping New York, New York |
Sep 15 1874 | Patent #155031 | |
|
Kinehan 1881 |
Charles R. Kinehan Springfield, Illinois |
Nov 8 1881 | Patent #249367 | |
|
Kinehan 1891 |
Charles R. Kinehan Canton, Ohio |
Dec 29 1891 | Patent #465935 | |
|
Klahn |
Emil Klahn Jersey City, New Jersey |
Mar 8 1892 | Patent #470298 | |
|
Kochendarfer |
Sirus Edward Kochendarfer Hollidaysburg, Pennsylvania |
Apr 19 1892 | Patent #473422 | |
|
|
Lancaster Plain |
(Bosley Variant) | Lancaster Watch Co. | c. 1755 | |
|
Landmann |
J.C. Landmann Dutch Flat, California |
Dec 26 1882 | Patent #269588 | |
|
Lange |
Richard Lange Glashtte, Saxony, Germany |
Dec 13 1902 | Patent #736117 | |
|
Levasseur |
J.C. Levasseur Milianah, Algeria |
Dec 28 1886 | Patent #355093 | |
|
MacNutt |
Ezra MacNutt Philadelphia, Pennsylvania |
Nov 2 1875 | Patent #169458 | |
|
|
Marion Plain In |
(Bosley Variant) | U.S. Watch Co. (Marion, NJ) | c. 1755 | |
|
|
Marion Plain Out |
(Bosley Variant) | U.S. Watch Co. (Marion, NJ) | c. 1755 | |
|
Mason |
C.E. Mason Columbus, Ohio |
Nov 6 1883 | Patent #288086 | |
|
|
Matheson |
William M. Matheson Waltham, Massachusetts |
U.S. Watch Co. (Waltham) | Apr 14 1893 | Patent #493508 |
|
McIntyre |
Federick McIntyre Kankakee, Illinois |
Oct 20 1914 | Patent #1114500 | |
|
Merkelbach |
A. Merkelbach Bienne, Switzerland |
May 26 1885 | Patent #318780 | |
|
|
Mershon 1860 |
Ralph S. Mershon Philadelphia, Pennsylvania |
E. Howard | Feb 7 1860 | Patent #RE892 |
|
Mershon 1875 |
Ralph S. Mershon Zanesville, Ohio |
Sep 7 1875 | Patent #167407 | |
|
Mertz |
Carl W. Mertz Republic, Michigan |
Jun 22 1880 | Patent #229162 | |
|
Miller |
J.A. Miller Paducah, Kentucky |
May 25 1875 | Patent #163680 | |
|
|
Moseley Traveling Nut |
Charles S. Moseley and George Hunter Elgin, Illinois |
Elgin | Nov 17 1874 | Patent #157021 |
|
|
New York Standard Plain |
(Bosley Variant) | New York Standard Watch Co. | c. 1755 | |
|
|
New York Standard Type 2 |
(Reed Variant) | New York Standard Watch Co. | Feb 5 1867 | Patent #61867 |
|
|
New York Standard Type 3 |
(Reed Variant) | New York Standard Watch Co. | Feb 5 1867 | Patent #61867 |
|
|
New York Standard Type 4 |
(Reed Variant) | New York Standard Watch Co. | Feb 5 1867 | Patent #61867 |
|
|
New York Standard Type 5 Shipwheel |
New York Standard Watch Co. | |||
|
|
New York Standard Type 6 Starwheel |
New York Standard Watch Co. | |||
|
Nobs |
Charles Nobbs Newark, New Jersey |
Jan 13 1891 | Patent #444458 | |
|
Norton |
R.G. Norton Madison, Wisconsin |
Dec 22 1908 | Patent #907521 | |
|
|
Ohlson 1906 |
Olof Ohlson Newton, Massachusetts |
Waltham | Apr 17 1906 | Patent #818043 |
|
Ohlson 1907 |
Olof Ohlson Middlesex, Massachusetts |
Jul 30 1907 | Patent #861884 | |
|
|
Ohlson 1908 |
Olof Ohlson Newton, Massachusetts |
Waltham | Jul 28 1908 | Patent #894457 |
|
|
Oliver |
Richard Oliver Brooklyn, New York |
Richard Oliver | May 9 1882 | Patent #257511 |
|
|
Owen |
W.W. Owen Columbus, Ohio |
Columbus Watch Co. | Feb 9 1886 | Patent #336060 |
|
Parker |
S.G. Parker Dyersburg, Tennessee |
Jan 21 1879 | Patent #211584 | |
|
Platt |
Aloys Platt Brooklyn, New York |
Feb 8 1887 | Patent #357333 | |
|
Platt 1879 |
Aloys Platt New York, New York |
Nov 11 1879 | Patent #221606 | |
|
|
Porter |
Wilson E. Porter New Haven, Connecticut |
New Haven | Feb 8 1910 | Patent #948652 |
|
|
Reed Whipspring, Whiplash, Gooseneck |
George P. Reed Boston, Massachusetts |
Many | Feb 5 1867 | Patent #61867 |
|
Reed 1865 |
George P. Reed Roxbury, Massachusetts |
Apr 1 1865 | Patent #49154 | |
| Reed 1885 |
George P. Reed Melrose, Massachusetts |
Feb 3 1885 | Patent #311609 | ||
|
Richmond |
Rome B. Richmond Decatur. Illinois |
Jan 1 1889 | Patent #395351 | |
|
|
Rockford Plain |
(Bosley Variant) | Rockford | c. 1755 | |
|
|
Rockford Type 1 |
(Hurd 1874 Variant) Grand Crossing, Illinois |
Rockford | Jun 2 1874 | Patent #151537 |
|
|
Rockford Type 3 |
(Reed Variant) | Rockford | Feb 5 1867 | Patent #61867 |
|
|
Rockford Type 4 |
Unknown | Rockford | ||
|
|
Rockford Type 5 |
Unknown | Rockford | ||
|
|
Rockford Type 6 |
(Reed Variant) | Rockford | Feb 5 1867 | Patent #61867 |
|
|
Rockford Type 7 |
(Reed Variant) | Rockford | Feb 5 1867 | Patent #61867 |
|
|
Rockford Type 8 |
Unknown | Rockford | ||
|
Roux |
E.J. Roux and L.U. Fatio (Assigners to Vacheron & Constantin) Geneva, Switzerland |
Jan 8 1884 | Patent #291780 | |
|
Ruttmann |
Carl Ruttmann Jersey City, New Jersey |
Nov 27 1883 | Patent #289359 | |
|
Sandmark |
Swen P. Sandmark Ishpeming, Michigan |
May 19 1885 | Patent #318208 | |
|
Sandoz |
Henri Sandoz Tavannes, Bern, Switzerland |
May 21 1901 | Patent #674712 | |
|
Schimmel |
Federick W. Schimmel 1889-11-05 |
Nov 5 1889 | Patent #414449 | |
|
|
Seth Thomas Spring |
(Reed Variant) | Seth Thomas | Feb 5 1867 | Patent #61867 |
|
|
Seth Thomas Star |
Seth Thomas | |||
|
Shear |
W.H. Shear Albany, New York |
Dec 25 1888 | Patent #395182 | |
|
Shive |
D. Shive (1/2 Assigned to B.F. Dubois) Philadelphia, Pennsylvania |
Aug 28 1883 | Patent #284079 | |
|
|
Short Tadpole Fogg Tadpole |
Charles W. Fogg Waltham, Massachusetts |
Waltham | ||
|
Sloan |
Samuel Sloan New Haven, Connecticut |
Jan 29 1907 | Patent #842431 | |
|
|
South Bend Needle |
Unknown | South Bend | ||
|
|
South Bend Nut |
Unknown | South Bend | ||
|
|
South Bend Spring |
Unknown | South Bend | ||
|
Staflin |
Nicolas Staflin Chicago, Illinois |
Jun 17 1873 | Patent #140090 | |
|
|
Stevens |
J.P. Stevens Atlanta, Georgia |
J.P. Stevens | Sep 19 1882 | Patent #264787 |
|
|
Teske |
Charles Teske Saratoga Springs, New York |
Hampden and Aftermarket Installations | Oct 5 1875 | Patent #168429 |
|
Teske 1874 |
Charles Teske Saratoga Springs, New York |
Oct 20 1874 | Patent #156046 | |
|
Teske 1881 |
Charles Teske Hartford, Connecticut |
Apr 12 1881 | Patent #240053 | |
|
Teske 1889 |
Charles Teske Hartford, Connecticut |
Mar 5 1889 | Patent #398987 | |
|
|
Teske Angled |
Charles Teske Saratoga Springs, New York |
Hampden and Aftermarket Installations | Oct 5 1875 | Patent #168429 |
|
Thompson |
John Thompson Rochester, New York |
Nov 27 1877 | Patent #197687 | |
|
Todd |
Hiram Todd Columbus, Ohio |
Dec 3 1867 | Patent #71666 | |
|
|
Tompion |
Thomas Tompion | Various Fusee | c. 1674 | |
|
Tucker Improperly Claimed Usage on Hampden Movements |
William B. Tucker Hillsborough, Ohio |
Aug 27 1867 | Patent #68324 | |
|
Tucker #2 |
William B. Tucker Hillsborough, Ohio |
Dec 10 1867 | Patent #71924 | |
|
Tuttle |
George I. Tuttle Aurora, Illinois |
Nov 25 1884 | Patent #308448 | |
|
Tuttle 1886 |
George I. Tuttle Aurora, Illinois |
Feb 16 1886 | Patent #336360 | |
|
|
Warren |
Andrew Warren Waltham, Massachusetts |
Tremont | Sep 17 1867 | Patent #69053 |
|
Weiand |
W. Weiand New Bremen, Ohio |
May 10 1887 | Patent #362559 | |
|
Welles |
H.W. Welles Poughkeepsie, New York |
Oct 16 1888 | Patent #391101 | |
|
|
Wheeler 1880 |
Phillip H. Wheeler Springfield, Illinois |
Illinois | Jun 22 1880 | Patent #229215 |
|
|
Wheeler 1886 |
Phillip H. Wheeler Columbus, Ohio |
Columbus Watch Co. | Dec 14 1886 | Patent #354283 |
|
Wiens |
John J. Wiens Quincy, Washington |
Oct 27 1908 | Patent #902034 | |
|
|
Wilmot Nautilus |
Francois Wilmot New York, New York |
Various Swiss | Jul 16 1872 | Patent #129197 |
|
|
Woerd 1870 |
Charles Vander Woerd Waltham, Massachusetts |
Waltham | Dec 27 1870 | Patent #110614 |
|
|
Woerd 1870 B |
Charles Vander Woerd Waltham, Massachusetts |
Waltham | Dec 27 1870 | Patent #110614 |
|
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Woerd 1877 Long Tadpole |
Charles Vander Woerd Waltham, Massachusetts |
Waltham | Nov 27 1877 | Patent #197710 |
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Zahm |
H.L. and E.J. Zahm Lancaster, Pennsylvania |
Cornell | Oct 1 1867 | Patent #69381 |