Pocket Watch Database
Patent Archive
#771991
Patent Information
Watch Safety
Richard Marpert
October 11, 1904
Patent #771991
| Patent Number: | 771991 |
| Description: | Watch Safety |
| Inventor(s): | Richard Marpert |
| Patent Date: | Oct 11, 1904 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
