Title:
ELECTRICAL MUSICAL INSTRUMENT
United States Patent 3439569
US Patent References:
Rhythm tempo control system
- - 3247307

Semi-automatic rhythm accompaniment
- - 3247309

/3309454.html
- - 3309454


Inventors:
Dodds, Ralph L.
Plunkett, Bradley J.
Publication Date:
04/22/1969
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Assignee:
WARWICK ELECTRONICS INC
Primary Class:
84/679
Other Classes:
984/352, 84/DIG.012, 84/721
International Classes:
G10H1/42; G10H1/40




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