Pocket Watch Database
Patent Archive
#771227
Patent Information
Watch Wind & Set Mech
Francois Celestin Alfred Blanc
October 4, 1904
Patent #771227
Patent Number: | 771227 |
Description: | Watch Wind & Set Mech |
Inventor(s): | Francois Celestin Alfred Blanc |
Patent Date: | Oct 4, 1904 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |