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Set of portable speakers
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Patent number D564497
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Issue date Mar 18, 2008
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Altec Lansing, a division of Plantronics, Inc.
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Eric Aaron Langberg
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D14 - Recording, communication, or information retrieval equipment
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Portable media reproduction system
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Patent number D552080
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Issue date Oct 2, 2007
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Altec Lansing, a division of Plantronics, Inc.
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Eric Aaron Langberg
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D14 - Recording, communication, or information retrieval equipment
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Portable media reproduction system
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Patent number D551656
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Issue date Sep 25, 2007
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Altec Lansing, a division of Plantronics, Inc.
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Kenneth Ritsher
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D14 - Recording, communication, or information retrieval equipment
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Portable audio device
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Patent number D543553
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Issue date May 29, 2007
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Altec Lansing, a division of Plantronics, Inc.
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Eric Aaron Langberg
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D14 - Recording, communication, or information retrieval equipment
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