Pocket Watch Database
Patent Archive
#1047563
Patent Information
Timer Valve Switch Etc
Channing Prichard
December 17, 1912
Patent #1047563
Patent Number: | 1047563 |
Description: | Timer Valve Switch Etc |
Inventor(s): | Channing Prichard |
Patent Date: | Dec 17, 1912 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |