Title:
APPARATUS FOR ELECTRONICALLY TUNING AN ELECTRIC GUITAR
United States Patent 3501992


Inventors:
Osborn, Peter E.
Creamer, Weldon
Ferrell, Herbert W.
Application Number:
US3501992DA
Publication Date:
03/24/1970
Filing Date:
08/24/1966
Assignee:
TUNE TRONICS INC
Primary Class:
Other Classes:
331/142, 984/353
International Classes:
G10H1/44; (IPC1-7): G10G7/02
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