Pocket Watch Database
Patent Archive
#447473
Patent Information
Watch Case Spring
Josef Pallweber
March 3, 1891
Patent #447473
| Patent Number: | 447473 |
| Description: | Watch Case Spring |
| Inventor(s): | Josef Pallweber |
| Assignee: | Stern Sigmund |
| Patent Date: | Mar 3, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
