Controlled harmonization for musical instruments
United States Patent 3283056
US Patent References:
Electrical musical instrument
- - 2687665

Electrical musical instrument
- - 3040612


Inventors:
Cookerly, Jack C.
Hall, George R.
Publication Date:
11/01/1966
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Assignee:
CHICAGO MUSICAL INSTR CO
Primary Class:
84/684
Other Classes:
84/715, 84/123, 984/348
International Classes:
G10H1/38