Pocket Watch Database
Patent Archive
#3034284
Patent Information
Watch Device Contact Electric
Helmut Epperlein
May 15, 1962
Patent #3034284
Manufacturer: | Hamilton |
Patent Number: | 3034284 |
Description: | Watch Device Contact Electric |
Inventor(s): | Helmut Epperlein |
Assignee: | Hamilton Watch Co |
Patent Date: | May 15, 1962 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |