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Apparatus for beneficiating coal
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Patent number 4,536,372
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Issue date Aug 20, 1985
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The Standard Oil Company
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Lester E. Burgess
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Process for beneficiating coal
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Patent number 4,332,593
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Issue date Jun 1, 1982
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Gulf & Western Industries, Inc.
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Lester E. Burgess
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Process of beneficiating coal and product
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Patent number 4,304,573
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Issue date Dec 8, 1981
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Gulf & Western Industries, Inc.
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Lester E. Burgess
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...