Electronic musical instrument
United States Patent 2879388

Inventors:
George, Thomas J.
Publication Date:
03/24/1959
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Assignee:
George, Thomas J.
Primary Class:
331/168
Other Classes:
984/379, 84/DIG.020, 84/679
International Classes:
G10H5/02; G10H5/00
US Patent References:
2778574Oscillating control apparatus
Foreign References:
GB449302A