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Filter frame
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Patent number D708729
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Issue date Jul 8, 2014
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Diversitech Corporation
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Keith Platt
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D23 - Environmental heating and cooling
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Filter frame
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Patent number D708311
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Issue date Jul 1, 2014
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Diversitech Corporation
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Keith Platt
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D23 - Environmental heating and cooling
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Three-dimensional filter
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Patent number 8,709,320
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Issue date Apr 29, 2014
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Diversitech Corporation
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Keith Platt
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Three-dimensional filter
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Patent number 8,562,708
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Issue date Oct 22, 2013
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Diversitech Corporation
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Keith Platt
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Filter frame
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Patent number D685898
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Issue date Jul 9, 2013
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Diversitech Corporation
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Keith Platt
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D23 - Environmental heating and cooling
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Filter frame
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Patent number D657858
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Issue date Apr 17, 2012
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Diversitech Corporation
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Keith Platt
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D23 - Environmental heating and cooling
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Filter frame
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Patent number D657859
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Issue date Apr 17, 2012
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Diversitech Corporation
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Keith Platt
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D23 - Environmental heating and cooling
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Filter frame
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Patent number D655804
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Issue date Mar 13, 2012
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Diversitech Corporation
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Keith Platt
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D23 - Environmental heating and cooling
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Filter frame
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Patent number D655803
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Issue date Mar 13, 2012
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Diversitech Corporation
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Keith Platt
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D23 - Environmental heating and cooling
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Filter frame
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Patent number D655802
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Issue date Mar 13, 2012
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Diversitech Corporation
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Keith Platt
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D23 - Environmental heating and cooling
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Two-piece plastic equipment pad
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Patent number 7,780,140
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Issue date Aug 24, 2010
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Diversitech Corporation
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Charles Barry Ward
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING