Pocket Watch Database
Patent Archive
#883121
Patent Information
Timer Valve
Arch A. Shingleton
March 24, 1906
Patent #883121
Patent Number: | 883121 |
Description: | Timer Valve |
Inventor(s): | Arch A. Shingleton |
Patent Date: | Mar 24, 1906 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |