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James Oliver Pettrey Jr.
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Huntington, WV, US
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last 30 patents
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Patent Grant
Process for cleaning coke oven gas offtakes
Patent number
3,964,976
Issue date
Jun 22, 1976
Allied Chemical Corporation
James Oliver Pettrey
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...