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: |