Pocket Watch Database
Patent Archive
#461279
Patent Information
Recorder Watch Man Electric
Fred W. Schiefer
October 13, 1891
Patent #461279
| Patent Number: | 461279 |
| Description: | Recorder Watch Man Electric |
| Inventor(s): | Fred W. Schiefer |
| Patent Date: | Oct 13, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
