Pocket Watch Database
Patent Archive
#3499280
Patent Information
Watch Wind & Set Pinions
Raoul-henri Erard
March 10, 1970
Patent #3499280
| Patent Number: | 3499280 |
| Description: | Watch Wind & Set Pinions |
| Inventor(s): | Raoul-henri Erard |
| Patent Date: | Mar 10, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
