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Eric R. Bean
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South Bend, IN, US
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last 30 patents
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Patent Grant
Glide circuit for electronic musical instrument
Patent number
4,270,431
Issue date
Jun 2, 1981
Kimball International, Inc.
James S. Southard
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent Grant
Quasi-random phase shift system for an electronic musical instrument
Patent number
4,262,575
Issue date
Apr 21, 1981
Kimball International, Inc.
Eric R. Bean
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent Grant
Octave assignment system for electronic musical instrument
Patent number
4,216,691
Issue date
Aug 12, 1980
C. G. Conn, Ltd.
Eric R. Bean
G10 - MUSICAL INSTRUMENTS ACOUSTICS