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Harmonicas
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Patent number 6,462,261
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Issue date Oct 8, 2002
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Richard Smith
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Microphone pickup system
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Patent number 4,837,836
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Issue date Jun 6, 1989
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Lester M. Barcus
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Electronic musical instrument
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Patent number 4,566,363
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Issue date Jan 28, 1986
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Casio Computer Co., Ltd.
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Yoneaki Arai
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Fiber optic musical instruments
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Patent number 4,442,750
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Issue date Apr 17, 1984
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Optical Technologies, Inc.
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George A. Bowley
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent number 3,516,320
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Issue date Jun 23, 1970
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3322875
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Issue date May 30, 1967
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3143027
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Issue date Aug 4, 1964
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2948178
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Patent number 2,948,178
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Issue date Aug 9, 1960
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2475168
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Patent number 2,475,168
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Issue date Jul 5, 1949
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G10 - MUSICAL INSTRUMENTS ACOUSTICS