Pocket Watch Database
Patent Archive
#522784
Patent Information
Recorder Work Man
John Dey
July 10, 1894
Patent #522784
| Patent Number: | 522784 |
| Description: | Recorder Work Man |
| Inventor(s): | John Dey |
| Patent Date: | Jul 10, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
