Pocket Watch Database
Patent Archive
#451721
Patent Information
Recorder Work Man
John C. English
May 5, 1891
Patent #451721
Patent Number: | 451721 |
Description: | Recorder Work Man |
Inventor(s): | John C. English |
Assignee: | Burnett Robert L |
Patent Date: | May 5, 1891 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |