Pocket Watch Database
Patent Archive
#1480346
Patent Information
Escape Mech
Charles H. Brigden
January 8, 1924
Patent #1480346
| Patent Number: | 1480346 |
| Description: | Escape Mech |
| Inventor(s): | Charles H. Brigden |
| Patent Date: | Jan 8, 1924 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
