Pocket Watch Database
Patent Archive
#213550
Patent Information
Watch Safety Center Pinion
George W. Dickinson
March 25, 1879
Patent #213550
| Patent Number: | 213550 |
| Category: | Safety Pinion |
| Description: | Watch Safety Center Pinion |
| Inventor(s): | George W. Dickinson |
| Patent Date: | Mar 25, 1879 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
