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Loudspeaker array suspension
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Patent number 10,321,212
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Issue date Jun 11, 2019
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Alcons Audio B.V.
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Philip Derek Eduard De Haan
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaker
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Patent number 9,100,750
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Issue date Aug 4, 2015
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Alcons Audio B.V.
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Philip Derek Eduard De Haan
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaker
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Patent number 8,335,340
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Issue date Dec 18, 2012
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Alcons Audio B.V.
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Philip Derek Eduard De Haan
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaker
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Patent number 7,965,857
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Issue date Jun 21, 2011
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Alcons Audio B.V.
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Philip Derek Eduard De Haan
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Loudspeaker
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Patent number 7,558,395
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Issue date Jul 7, 2009
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Alcons Audio B.V.
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Philip Derek Eduard De Haan
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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79074758 - ALCONS
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Serial number 79074758
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Registration number 3853855
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Filing date Sep 14, 2009
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Alcons Audio B.V.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments