Pocket Watch Database
Patent Archive
#3015207
Patent Information
Watch Balance Wheel Assembly
Helmut Epperlein
January 2, 1962
Patent #3015207
Manufacturer: | Hamilton |
Patent Number: | 3015207 |
Description: | Watch Balance Wheel Assembly |
Inventor(s): | Helmut Epperlein |
Assignee: | Hamilton Watch Co |
Patent Date: | Jan 2, 1962 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |