Pocket Watch Database
Patent Archive
#199365
Patent Information
Watch Safety
Charles E. Hayward
January 22, 1878
Patent #199365
| Patent Number: | 199365 |
| Description: | Watch Safety |
| Inventor(s): | Charles E. Hayward |
| Patent Date: | Jan 22, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
