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Modular isolating system
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Patent number 9,920,811
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Issue date Mar 20, 2018
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D Morrison Consulting Inc.
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David Morrison
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Speaker stand
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Patent number D741840
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Issue date Oct 27, 2015
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D Morrison Consulting Inc.
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David Morrison
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D14 - Recording, communication, or information retrieval equipment
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Vibration damping stand
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Patent number 8,215,245
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Issue date Jul 10, 2012
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D Morrison Consulting Inc.
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David Morrison
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Stereo speaker stand
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Patent number 7,640,868
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Issue date Jan 5, 2010
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D Morrison Consulting Inc.
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David Morrison
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H04 - ELECTRIC COMMUNICATION TECHNIQUE