Pocket Watch Database
Patent Archive
#435844
Patent Information
Watch Main Spring Sale Card
John Logan
September 2, 1890
Patent #435844
| Patent Number: | 435844 |
| Description: | Watch Main Spring Sale Card |
| Inventor(s): | John Logan |
| Patent Date: | Sep 2, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
