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Loudspeaker diaphragm
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Patent number D705756
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Issue date May 27, 2014
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Alpine Electronics, Inc.
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Karl Kerstein
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D14 - Recording, communication, or information retrieval equipment
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Vehicle management system
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Patent number 7,177,738
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Issue date Feb 13, 2007
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Alpine Electronics, Inc.
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Melvin Diaz
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G06 - COMPUTING CALCULATING COUNTING
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Vehicle-mounted system
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Patent number 6,675,006
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Issue date Jan 6, 2004
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Alpine Electronics, Inc.
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Melvin Diaz
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B60 - VEHICLES IN GENERAL
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