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Single stage pitch process and product
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Patent number 9,222,027
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Issue date Dec 29, 2015
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Advanced Carbon Products, LLC
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Donald P. Malone
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Drum top drier
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Patent number 5,405,044
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Issue date Apr 11, 1995
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Donald M. Lee
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Drum top drier
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Patent number 5,373,962
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Issue date Dec 20, 1994
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Donald M. Lee
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Dry blending with fibers
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Patent number 4,953,135
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Issue date Aug 28, 1990
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Ashland Oil, Inc.
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Donald M. Lee
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B28 - WORKING CEMENT, CLAY, OR STONE
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Dry blending with fibers
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Patent number 4,669,887
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Issue date Jun 2, 1987
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Ashland Oil, Inc.
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Donald M. Lee
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B28 - WORKING CEMENT, CLAY, OR STONE
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