Pocket Watch Database
Patent Archive
#167872
Patent Information
Watch Escape
Edouard Bourguin
September 21, 1875
Patent #167872
| Patent Number: | 167872 |
| Description: | Watch Escape |
| Inventor(s): | Edouard Bourguin |
| Patent Date: | Sep 21, 1875 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
