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Plastic bag for fine powders
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Patent number 7,543,708
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Issue date Jun 9, 2009
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United States Gypsum Company
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Stanley B. Doyle
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Reduced dust acoustic panel
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Patent number 7,503,430
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Issue date Mar 17, 2009
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USG Interiors, Inc.
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Mark H. Englert
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B28 - WORKING CEMENT, CLAY, OR STONE
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Mixer for viscous materials
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Patent number D576186
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Issue date Sep 2, 2008
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United States Gypsum Company
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Aaron Charles Rosso
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D15 - Machines not elsewhere specified
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Sprayable machinable media
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Patent number 7,374,611
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Issue date May 20, 2008
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United States Gypsum Company
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Dennis Mark Lettkeman
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B28 - WORKING CEMENT, CLAY, OR STONE
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Mixer for viscous materials
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Patent number D566143
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Issue date Apr 8, 2008
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United States Gypsum Company
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Aaron Charles Rosso
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D15 - Machines not elsewhere specified