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Speaker box
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Patent number D609216
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Issue date Feb 2, 2010
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QSC Audio Products, LLC
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Christopher Lee Davies
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D14 - Recording, communication, or information retrieval equipment
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Subwoofer
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Patent number D591724
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Issue date May 5, 2009
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QSC Audio Products, Inc.
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Christopher Lee Davies
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D14 - Recording, communication, or information retrieval equipment
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Information terminal device
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Patent number D559845
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Issue date Jan 15, 2008
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WEM Technology Limited
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Myk W. Lum
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D14 - Recording, communication, or information retrieval equipment
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