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: |