Pocket Watch Database
Patent Archive
#943890
Patent Information
Watch Balance Staff Supporter
Louis Prisant
December 21, 1909
Patent #943890
| Patent Number: | 943890 |
| Description: | Watch Balance Staff Supporter |
| Inventor(s): | Louis Prisant |
| Assignee: | Cohn B |
| Patent Date: | Dec 21, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
