Pocket Watch Database
Patent Archive
#437690
Patent Information
Watch Bow Fasten
Julius W. Hansen
October 7, 1890
Patent #437690
| Patent Number: | 437690 |
| Description: | Watch Bow Fasten |
| Inventor(s): | Julius W. Hansen |
| Patent Date: | Oct 7, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
