Pocket Watch Database
Patent Archive
#1213716
Patent Information
Chronometer Escape
Richmond A. Wentworth
January 23, 1917
Patent #1213716
| Patent Number: | 1213716 |
| Description: | Chronometer Escape |
| Inventor(s): | Richmond A. Wentworth |
| Patent Date: | Jan 23, 1917 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
