Pocket Watch Database
Patent Archive
#183867
Patent Information
Watch Safety
Henry A. Rosenthal
October 31, 1876
Patent #183867
| Patent Number: | 183867 |
| Description: | Watch Safety |
| Inventor(s): | Henry A. Rosenthal |
| Patent Date: | Oct 31, 1876 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
