Pocket Watch Database
Patent Archive
#1052408
Patent Information
Timer Electric Circuit
James M. Chappel
February 4, 1913
Patent #1052408
Patent Number: | 1052408 |
Description: | Timer Electric Circuit |
Inventor(s): | James M. Chappel |
Assignee: | Premier Electric Co |
Patent Date: | Feb 4, 1913 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |