Pocket Watch Database
Patent Archive
#490202
Patent Information
Watch Balance & Hair Spring Mech Test
George E. Hunter
January 17, 1893
Patent #490202
Manufacturer: | Elgin |
Patent Number: | 490202 |
Description: | Watch Balance & Hair Spring Mech Test |
Inventor(s): | George E. Hunter |
Assignee: | Elgin Natl Watch Co |
Patent Date: | Jan 17, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |