Pocket Watch Database
Patent Archive
#1643403
Patent Information
Watch Barrel
Helge A. Borresen
September 27, 1927
Patent #1643403
| Patent Number: | 1643403 |
| Description: | Watch Barrel |
| Inventor(s): | Helge A. Borresen |
| Assignee: | Hills Edward R |
| Patent Date: | Sep 27, 1927 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
