Pocket Watch Database
Patent Archive
#2524660
Patent Information
Watch Main Spring
Oscar E. Harder
Dimon A. Roberts
October 3, 1950
Patent #2524660
Manufacturer: | Elgin |
Patent Number: | 2524660 |
Description: | Watch Main Spring |
Inventor(s): |
Oscar E. Harder Dimon A. Roberts |
Assignee: | Elgin Natl Watch Co |
Patent Date: | Oct 3, 1950 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |