Pocket Watch Database
Patent Archive
#593457
Patent Information
Recorder Work Man
Frank Brook
November 9, 1897
Patent #593457
| Patent Number: | 593457 |
| Description: | Recorder Work Man |
| Inventor(s): | Frank Brook |
| Patent Date: | Nov 9, 1897 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
