Pocket Watch Database
Patent Archive
#842132
Patent Information
Recorder Work Man
Robert S. Blair
January 22, 1907
Patent #842132
| Patent Number: | 842132 |
| Description: | Recorder Work Man |
| Inventor(s): | Robert S. Blair |
| Patent Date: | Jan 22, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
