Title:
Keying systems for electrical musical instruments for producing steadystate or percussive type tones either separately or concurrently
United States Patent 3333041
Inventors:
Munch Jr., Walter
Scherer, Robert C.
Publication Date:
07/25/1967
Export Citation:
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Assignee:
BALDWIN CO D H
Primary Class:
84/680
Other Classes:
84/699, 984/322
International Classes:
G10H1/057; G10H1/057
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US Patent References:
2483823Electronic keying means