Pocket Watch Database
Patent Archive
#2174122
Patent Information
Balance Staff
Thomas P. Dolby
Russell E. Conyne
September 26, 1939
Patent #2174122
| Manufacturer: | Elgin |
| Patent Number: | 2174122 |
| Description: | Balance Staff |
| Inventor(s): |
Thomas P. Dolby Russell E. Conyne |
| Assignee: | Elgin Natl Watch Co |
| Patent Date: | Sep 26, 1939 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
