Pocket Watch Database
Patent Archive
#34978
Patent Information
Watch Escape Hair Spring
Roswell L. Peabody
April 15, 1862
Patent #34978
| Patent Number: | 34978 |
| Description: | Watch Escape Hair Spring |
| Inventor(s): | Roswell L. Peabody |
| Patent Date: | Apr 15, 1862 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
