Pocket Watch Database
Patent Archive
#3250066
Patent Information
Watch Tuning Fork
Walter D. Engelhardt
Carmine A. Master
May 10, 1966
Patent #3250066
| Patent Number: | 3250066 |
| Description: | Watch Tuning Fork |
| Inventor(s): |
Walter D. Engelhardt Carmine A. Master |
| Assignee: | Philco Corp |
| Patent Date: | May 10, 1966 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
