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: |