Pocket Watch Database
Patent Archive
#764450
Patent Information
Watch Wrist Battery Operated Electro Magnetic
Hamilton Watch Co
December 28, 1956
Patent #764450
Manufacturer: | Hamilton |
Patent Number: | 764450 |
Description: | Watch Wrist Battery Operated Electro Magnetic |
Inventor(s): | Hamilton Watch Co |
Patent Date: | Dec 28, 1956 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |