Pocket Watch Database
Patent Archive
#1203690
Patent Information
Watch Shock Proof Dial
Helge A. Borresen
November 7, 1916
Patent #1203690
| Patent Number: | 1203690 |
| Description: | Watch Shock Proof Dial |
| Inventor(s): | Helge A. Borresen |
| Assignee: | Zabel Max W |
| Patent Date: | Nov 7, 1916 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
