Pocket Watch Database
E. Howard Watch Co. (Keystone) Size 16s Model 1905: Patents
Watch Stem Wind & Set
| Patent Number: | 781263 |
| Description: | Watch Stem Wind & Set |
| Inventor: | Olof Anderson |
| Patent Date: | Jan 31, 1905 |
| Registration Type: | Patent |
Watch Stem Wind Mech
| Patent Number: | 796162 |
| Description: | Watch Stem Wind Mech |
| Inventor: | Ryland L. Taft |
| Assignee: | E Howard Watch Co |
| Patent Date: | Aug 1, 1905 |
| Registration Type: | Patent |
| Sample Image: |  |
Watch Barrel
| Patent Number: | 886387 |
| Description: | Watch Barrel |
| Inventor: | Walter B. Mehl |
| Assignee: | Howard Watch Co |
| Patent Date: | May 5, 1908 |
| Registration Type: | Patent |
| Sample Image: |  |
Watch Movement
| Patent Number: | 900183 |
| Description: | Watch Movement |
| Inventor: | Walter B. Mehl |
| Assignee: | E Howard Watch Co |
| Patent Date: | Oct 6, 1908 |
| Registration Type: | Patent |
Watch Movement Ratchet Mech
| Patent Number: | 971496 |
| Description: | Watch Movement Ratchet Mech |
| Inventor: | William Henry Ebelhare |
| Assignee: | Keystone Watch Case Co |
| Patent Date: | Sep 27, 1910 |
| Registration Type: | Patent |
| Sample Image: |  |
Watch Movement End Stone Cap
| Patent Number: | 978612 |
| Description: | Watch Movement End Stone Cap |
| Inventor: | Walter B. Mehl |
| Assignee: | Keystone Watch Case Co |
| Patent Date: | Dec 13, 1910 |
| Registration Type: | Patent |
| Sample Image: |  |
Watch Movement Pallet End Stone Cap
| Patent Number: | 981667 |
| Description: | Watch Movement Pallet End Stone Cap |
| Inventor: | Walter B. Mehl |
| Assignee: | Keystone Watch Case Co |
| Patent Date: | Jan 17, 1911 |
| Registration Type: | Patent |
| Sample Image: |  |