Pocket Watch Database
Patent Archive
#3357173
Patent Information
Watch Crown
Rodolphe Wyssen
December 12, 1967
Patent #3357173
| Patent Number: | 3357173 |
| Description: | Watch Crown |
| Inventor(s): | Rodolphe Wyssen |
| Assignee: | Fabrique De Couronnes Boninchi |
| Patent Date: | Dec 12, 1967 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
