Pocket Watch Database
Patent Archive
#3046725
Patent Information
Timepiece Hair Spring Adjust Device
Marcel Vuilleumier
July 31, 1962
Patent #3046725
| Patent Number: | 3046725 |
| Description: | Timepiece Hair Spring Adjust Device |
| Inventor(s): | Marcel Vuilleumier |
| Assignee: | Parechoc S A |
| Patent Date: | Jul 31, 1962 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
