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Fiddolin
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Patent number 7,645,926
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Issue date Jan 12, 2010
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Clennon Wayne Jerrolds
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Fiber optic musical instruments
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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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Issue date Apr 11, 1961
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Issue date Nov 12, 1935
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G10 - MUSICAL INSTRUMENTS ACOUSTICS