Pocket Watch Database
Patent Archive
#522911
Patent Information
Recorder Watch Man
Johann Matusch
July 10, 1894
Patent #522911
Patent Number: | 522911 |
Description: | Recorder Watch Man |
Inventor(s): | Johann Matusch |
Patent Date: | Jul 10, 1894 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |