Pocket Watch Database
Patent Archive
#3131531
Patent Information
Watch Wind Device Manual & Self Wind Mech
Heinrich Stamm
May 5, 1964
Patent #3131531
| Patent Number: | 3131531 |
| Description: | Watch Wind Device Manual & Self Wind Mech |
| Inventor(s): | Heinrich Stamm |
| Patent Date: | May 5, 1964 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
