Pocket Watch Database
Patent Archive
#3504301
Patent Information
Mechanical Oscillator
Max Hetzel
March 31, 1970
Patent #3504301
| Patent Number: | 3504301 |
| Description: | Mechanical Oscillator |
| Inventor(s): | Max Hetzel |
| Assignee: | Centre Electronique Horloger |
| Patent Date: | Mar 31, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
