Pocket Watch Database
Patent Archive
#213072
Patent Information
Recorder Watch Man
Gustav H. Roth
March 11, 1879
Patent #213072
Patent Number: | 213072 |
Description: | Recorder Watch Man |
Inventor(s): | Gustav H. Roth |
Patent Date: | Mar 11, 1879 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |