| Title | No. | Date | Summary | Type | Category | Company | Inventor | In Use | Country | |
|---|---|---|---|---|---|---|---|---|---|---|
| Alarm Clock | 1181557 | 1916-05-02 |  | Alarm mechanism which shuts off after predetermined period. | Utility | Alarm Mechanism for a Clock | Assignee: Seth Thomas Clock Company; User: Seth Thomas; User: Westclox | Wehrle, Frank | United States | |
| Electrical Attachment for Plug | 1912147 | 1933-05-30 |  | The connector which attaches the cord to the clock in early Westclox a/c electric clocks and many Se . . . | Utility | AC Electric Clock | Assignee: Western Clock Company (the second one, 1912 - 1936); User: Seth Thomas; User: Westclox | Kaefer, Martin | United States | |
| Motor | 1933591 | 1933-11-07 |  | The "Sangamo" self-starting synchronous electric motor | Utility | Clock Synchronous Motor | Assignee: Sangamo Electric Company; User: Seth Thomas; User: Westclox | Holtz, Frederick; Kurz, Fred | United States | |
| Shaded Pole Electric Motor | 2537093 | 1951-01-09 |  | The General Time M4 motor | Utility | Clock Synchronous Motor | Assignee: General Time Corporation; User: Seth Thomas; User: Westclox | Schlenker, Max; Ryburn, Paul | United States |
