Pocket Watch Database
Patent Archive
#51414
Patent Information
Watch Escape
Louis Billon
September 12, 1865
Patent #51414
| Patent Number: | 51414 |
| Description: | Watch Escape |
| Inventor(s): | Louis Billon |
| Patent Date: | Sep 12, 1865 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
