Pocket Watch Database
Patent Archive
#724604
Patent Information
Watch Case Spring
Charles Jr Nobs
April 7, 1903
Patent #724604
| Patent Number: | 724604 |
| Description: | Watch Case Spring |
| Inventor(s): | Charles Jr Nobs |
| Patent Date: | Apr 7, 1903 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
