Pocket Watch Database
Patent Archive
#1244251
Patent Information
Watch Second Hand Set Mech
Charles Sinbad
October 23, 1917
Patent #1244251
Patent Number: | 1244251 |
Description: | Watch Second Hand Set Mech |
Inventor(s): | Charles Sinbad |
Assignee: | Bertelsen Peter J M |
Patent Date: | Oct 23, 1917 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |