Pocket Watch Database
Patent Archive
#424362
Patent Information
Watch Safety
Isaac Siff
March 25, 1890
Patent #424362
| Patent Number: | 424362 |
| Description: | Watch Safety |
| Inventor(s): | Isaac Siff |
| Assignee: | Wengrowsky Morris |
| Patent Date: | Mar 25, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
