Pocket Watch Database
Patent Archive
#3389551
Patent Information
Watch Stem Waterproof
Rodolphe Wyssen
June 25, 1968
Patent #3389551
| Patent Number: | 3389551 |
| Category: | Stem Mechanisms |
| Description: | Watch Stem Waterproof |
| Inventor(s): | Rodolphe Wyssen |
| Assignee: | Fabrique De Couronnes Boninchi |
| Patent Date: | Jun 25, 1968 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
