Pocket Watch Database
Patent Archive
#165275
Patent Information
Watch Safety Pinion
Lyman W. Thompson
July 6, 1875
Patent #165275
| Patent Number: | 165275 |
| Category: | Safety Pinion |
| Description: | Watch Safety Pinion |
| Inventor(s): | Lyman W. Thompson |
| Patent Date: | Jul 6, 1875 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
