Pocket Watch Database
Patent Archive
#558558
Patent Information
Watch Cannon Pinion
Charles W. Hoen
April 21, 1896
Patent #558558
| Patent Number: | 558558 |
| Description: | Watch Cannon Pinion |
| Inventor(s): | Charles W. Hoen |
| Patent Date: | Apr 21, 1896 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
