Pocket Watch Database
Patent Archive
#2796728
Patent Information
Precision Chronometer
Knud J. Knudsen
June 25, 1957
Patent #2796728
| Patent Number: | 2796728 |
| Description: | Precision Chronometer |
| Inventor(s): | Knud J. Knudsen |
| Patent Date: | Jun 25, 1957 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
