Pocket Watch Database
Patent Archive
#2773347
Patent Information
Timepiece Movement Wind Crown For
Jean-michel Froidevaux
December 11, 1956
Patent #2773347
| Patent Number: | 2773347 |
| Description: | Timepiece Movement Wind Crown For |
| Inventor(s): | Jean-michel Froidevaux |
| Assignee: | Manufacture Des Montres Univer |
| Patent Date: | Dec 11, 1956 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
