Pocket Watch Database
Patent Archive
#490203
Patent Information
Watch Balance & Hair Spring Test
George E. Hunter
January 17, 1893
Patent #490203
| Manufacturer: | Elgin |
| Patent Number: | 490203 |
| Description: | Watch Balance & Hair Spring 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: |
