Pocket Watch Database
Patent Archive
#3525211
Patent Information
Watch Crown
Rudolphe Wyssen
August 25, 1970
Patent #3525211
| Patent Number: | 3525211 |
| Description: | Watch Crown |
| Inventor(s): | Rudolphe Wyssen |
| Assignee: | Boninchi S A |
| Patent Date: | Aug 25, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
