Pocket Watch Database
Patent Archive
#845951
Patent Information
Recorder Watch Man
Otto E. Hausburg
March 5, 1907
Patent #845951
Patent Number: | 845951 |
Description: | Recorder Watch Man |
Inventor(s): | Otto E. Hausburg |
Patent Date: | Mar 5, 1907 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |