Pocket Watch Database
Patent Archive
#857312
Patent Information
Watch Balance Staff
Frederick C. Smith
June 18, 1907
Patent #857312
| Patent Number: | 857312 |
| Description: | Watch Balance Staff |
| Inventor(s): | Frederick C. Smith |
| Patent Date: | Jun 18, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
