Pocket Watch Database
Patent Archive
#200928
Patent Information
Recorder Watch Man
Thomas D. Osborne
March 5, 1878
Patent #200928
| Patent Number: | 200928 |
| Description: | Recorder Watch Man |
| Inventor(s): | Thomas D. Osborne |
| Patent Date: | Mar 5, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
