Pocket Watch Database
Patent Archive
#294833
Patent Information
Watch Hair Spring
Charles Aug Wilms
March 11, 1884
Patent #294833
| Patent Number: | 294833 |
| Description: | Watch Hair Spring |
| Inventor(s): | Charles Aug Wilms |
| Patent Date: | Mar 11, 1884 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
