Pocket Watch Database
Patent Archive
#1244252
Patent Information
Watch Second Hand Set Mech
Charles Sinbad
October 23, 1917
Patent #1244252
| Patent Number: | 1244252 |
| 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: |
