Title:
PERCUSSION TYPE ELECTRONIC MUSICAL INSTRUMENT
United States Patent 3439568
Inventors:
Griffith, Errol R.
Publication Date:
04/22/1969
Export Citation:
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Assignee:
ALLEN ORGAN CO
Primary Class:
84/600
Other Classes:
84/718, 84/DIG.12, 200/532, 984/345
International Classes:
G10H1/34; G10H1/34; (IPC1-7): G10H1/02; H01H3/12
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US Patent References:
3207835Rhythm device
2684411Push-button switch construction




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