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Speakerphone device
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Patent number D873231
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Issue date Jan 21, 2020
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Crestron Electronics, Inc.
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Randy Klein
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D14 - Recording, communication, or information retrieval equipment
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Conference microphone
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Patent number D834565
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Issue date Nov 27, 2018
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Crestron Electronics, Inc.
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Joseph Sarrasin
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D14 - Recording, communication, or information retrieval equipment
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All-in-one speakerphone device
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Patent number D816056
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Issue date Apr 24, 2018
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Crestron Electronics, Inc.
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Randy Klein
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D14 - Recording, communication, or information retrieval equipment