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Adaptive personal active noise system
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Patent number 6,078,672
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Issue date Jun 20, 2000
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Virginia Tech Intellectual Properties, Inc.
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William Richard Saunders
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Noise reducing system
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Patent number 5,652,799
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Issue date Jul 29, 1997
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Noise Cancellation Technologies, Inc.
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Colin Fraser Ross
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Transducer daisy chain
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Patent number 5,570,425
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Issue date Oct 29, 1996
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Digisonix, Inc.
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Seth D. Goodman
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Signal suppressing apparatus
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Patent number 5,544,201
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Issue date Aug 6, 1996
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Fujitsu Limited
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Tsutomu Hoshino
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Noise-canceling apparatus
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Patent number 5,524,057
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Issue date Jun 4, 1996
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Alpine Electronics Inc.
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Masaichi Akiho
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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