Pocket Watch Database
Patent Archive
#756072
Patent Information
Watch Safety
Max Sonnenfeld
March 29, 1904
Patent #756072
| Patent Number: | 756072 |
| Description: | Watch Safety |
| Inventor(s): | Max Sonnenfeld |
| Patent Date: | Mar 29, 1904 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
