Pocket Watch Database
Patent Archive
#292838
Patent Information
Watch Wind Mech
Robert F. Mitchell
February 5, 1884
Patent #292838
| Patent Number: | 292838 |
| Description: | Watch Wind Mech |
| Inventor(s): | Robert F. Mitchell |
| Patent Date: | Feb 5, 1884 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
