Pocket Watch Database
Patent Archive
#412457
Patent Information
Watch Shift Mech Stem Wind & Set
Ferdinand Bourquin
October 8, 1889
Patent #412457
| Patent Number: | 412457 |
| Description: | Watch Shift Mech Stem Wind & Set |
| Inventor(s): | Ferdinand Bourquin |
| Patent Date: | Oct 8, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
