Pocket Watch Database
Patent Archive
#3218794
Patent Information
Watch Hair Spring Collet
Thomas Baehni
November 23, 1965
Patent #3218794
| Patent Number: | 3218794 |
| Description: | Watch Hair Spring Collet |
| Inventor(s): | Thomas Baehni |
| Assignee: | Virola S A |
| Patent Date: | Nov 23, 1965 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
