Pocket Watch Database
Patent Archive
#3359473
Patent Information
Self-starting Electronic Device For Clockworks
Emilio Negri
December 19, 1967
Patent #3359473
| Patent Number: | 3359473 |
| Description: | Self-starting Electronic Device For Clockworks |
| Inventor(s): | Emilio Negri |
| Patent Date: | Dec 19, 1967 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
