Pocket Watch Database
Patent Archive
#151291
Patent Information
Watch Chain Safety Guard
Robert A. Johnson
May 26, 1874
Patent #151291
| Patent Number: | 151291 |
| Description: | Watch Chain Safety Guard |
| Inventor(s): | Robert A. Johnson |
| Patent Date: | May 26, 1874 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
