Pocket Watch Database

Patent Archive
#1785121

Patent Information

Clock Graphophone

John H. Holloway

December 16, 1930

Patent #1785121
Patent Number:1785121
Description:Clock Graphophone
Inventor(s): John H. Holloway
Patent Date:Dec 16, 1930
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF