Pocket Watch Database
Patent Archive
#505657
Patent Information
Watch Chain Holder Safety
Henry M. Henning
September 26, 1893
Patent #505657
| Patent Number: | 505657 |
| Description: | Watch Chain Holder Safety |
| Inventor(s): | Henry M. Henning |
| Patent Date: | Sep 26, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
