Pocket Watch Database
Patent Archive
#3540205
Patent Information
Watch Pawl Ratchet
Max Hetzel
November 17, 1970
Patent #3540205
| Patent Number: | 3540205 |
| Description: | Watch Pawl Ratchet |
| Inventor(s): | Max Hetzel |
| Assignee: | Centre Electronique Horloger S |
| Patent Date: | Nov 17, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
