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:  PDF