Pocket Watch Database
Patent Archive
#816844
Patent Information
Recorder Work Man
Frank Brook
April 3, 1906
Patent #816844
| Patent Number: | 816844 |
| Description: | Recorder Work Man |
| Inventor(s): | Frank Brook |
| Patent Date: | Apr 3, 1906 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
