Pocket Watch Database
Patent Archive
#3462940
Patent Information
Watch Mechanical Resonator
Jean Schaad
August 26, 1969
Patent #3462940
| Patent Number: | 3462940 |
| Description: | Watch Mechanical Resonator |
| Inventor(s): | Jean Schaad |
| Assignee: | Voumard Machines Co S A |
| Patent Date: | Aug 26, 1969 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
