Pocket Watch Database
Patent Archive
#364528
Patent Information
Watch Safety
John Lehr
June 7, 1887
Patent #364528
| Patent Number: | 364528 |
| Description: | Watch Safety |
| Inventor(s): | John Lehr |
| Patent Date: | Jun 7, 1887 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
