Pocket Watch Database
Patent Archive
#3501910
Patent Information
Watch Tuning Fork
Cecil Frank Clifford
March 24, 1970
Patent #3501910
| Patent Number: | 3501910 |
| Description: | Watch Tuning Fork |
| Inventor(s): | Cecil Frank Clifford |
| Patent Date: | Mar 24, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
