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Headset
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Patent number D753113
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Issue date Apr 5, 2016
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USENS, INC.
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Yue Fei
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D14 - Recording, communication, or information retrieval equipment
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Headset
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Patent number D753111
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Issue date Apr 5, 2016
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USENS, INC.
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Yue Fei
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D14 - Recording, communication, or information retrieval equipment
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Headset
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Patent number D753112
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Issue date Apr 5, 2016
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USENS, INC.
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Yue Fei
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D14 - Recording, communication, or information retrieval equipment