Pocket Watch Database
Patent Archive
#3340687
Patent Information
Watch Second Hand Steping
Mikhail Fedorvich Novikov
Alexandr Petrovich Ananiev
September 12, 1967
Patent #3340687
| Patent Number: | 3340687 |
| Description: | Watch Second Hand Steping |
| Inventor(s): |
Mikhail Fedorvich Novikov Alexandr Petrovich Ananiev |
| Patent Date: | Sep 12, 1967 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
