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Hydraulic lever actuator
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Patent number 5,676,353
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Issue date Oct 14, 1997
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Noise Cancellation Technologies, Inc.
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Owen Jones
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B60 - VEHICLES IN GENERAL
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Noise reduction system
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Patent number 5,638,454
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Issue date Jun 10, 1997
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Noise Cancellation Technologies, Inc.
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Owen Jones
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Muffler
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Patent number 5,619,020
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Issue date Apr 8, 1997
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Noise Cancellation Technologies, Inc.
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Owen Jones
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Headphone assemblies
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Patent number 5,361,304
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Issue date Nov 1, 1994
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University of Essex
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Owen Jones
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H04 - ELECTRIC COMMUNICATION TECHNIQUE