Pocket Watch Database
Patent Archive
#320116
Patent Information
Recorder Watch Man
Edward J. Colby
June 16, 1885
Patent #320116
| Patent Number: | 320116 |
| Description: | Recorder Watch Man |
| Inventor(s): | Edward J. Colby |
| Patent Date: | Jun 16, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
