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Musical drum practice pads
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Patent number 7,638,701
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Issue date Dec 29, 2009
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Remo, Inc.
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James H. May, Jr.
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Sound modification system
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Patent number 7,476,794
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Issue date Jan 13, 2009
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Remo, Inc.
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James H. May, Jr.
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G10 - MUSICAL INSTRUMENTS ACOUSTICS