Pocket Watch Database
Patent Archive
#520298
Patent Information
Watch Cannon Pinion
John V. Coats
May 22, 1894
Patent #520298
| Patent Number: | 520298 |
| Description: | Watch Cannon Pinion |
| Inventor(s): | John V. Coats |
| Patent Date: | May 22, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
