Pocket Watch Database
Patent Archive
#857502
Patent Information
Recorder Watch Man
Reinhard Vogelmann
June 18, 1907
Patent #857502
Patent Number: | 857502 |
Description: | Recorder Watch Man |
Inventor(s): | Reinhard Vogelmann |
Patent Date: | Jun 18, 1907 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |