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Electronic musical instrument
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Patent number 4,373,415
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Issue date Feb 15, 1983
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Kabushiki Kaisha Kawai Gakki Seisakusho
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Nobuaki Kondo
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Music synthesizer
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Patent number 4,226,155
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Issue date Oct 7, 1980
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Mattel, Inc.
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Scott A. Ferdinand
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3922943
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Patent number 3,922,943
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Issue date Dec 2, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3919910
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Patent number 3,919,910
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Issue date Nov 18, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3918342
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Patent number 3,918,342
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Issue date Nov 11, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3906830
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Patent number 3,906,830
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Issue date Sep 23, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3902392
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Patent number 3,902,392
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Issue date Sep 2, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3898905
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Patent number 3,898,905
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Issue date Aug 12, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3897709
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Patent number 3,897,709
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Issue date Aug 5, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3886836
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Patent number 3,886,836
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Issue date Jun 3, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3880039
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Patent number 3,880,039
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Issue date Apr 29, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3872764
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Patent number 3,872,764
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Issue date Mar 25, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS