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Spin blender feed coating
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Patent number 5,488,898
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Issue date Feb 6, 1996
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Hough International, Inc.
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Richard M. Hough
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Mixer housing gate assembly
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Patent number 5,409,149
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Issue date Apr 25, 1995
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Hough International, Inc.
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Richard M. Hough
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Container charger
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Patent number 5,397,371
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Issue date Mar 14, 1995
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Hough International, Inc.
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Richard M. Hough
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Silo top unloader
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Patent number 5,112,180
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Issue date May 12, 1992
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Hough International, Inc.
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Richard M. Hough
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL