Pocket Watch Database

Patent Archive
#1113538

Patent Information

Timer Telephone

Clark L. Braucher
Edward R. Johnson

October 13, 1914

Patent #1113538
Patent Number:1113538
Description:Timer Telephone
Inventor(s): Clark L. Braucher
Edward R. Johnson
Patent Date:Oct 13, 1914
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF