Pocket Watch Database
Patent Archive
#520310
Patent Information
Recorder Work Man
Daniel Hepp
May 22, 1894
Patent #520310
| Patent Number: | 520310 |
| Description: | Recorder Work Man |
| Inventor(s): | Daniel Hepp |
| Patent Date: | May 22, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
