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Godwin Ejiogu
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Calgary, CA
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last 30 patents
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Patent Grant
Mixed well steam drive drainage process
Patent number
5,860,475
Issue date
Jan 19, 1999
Amoco Corporation
Godwin Ejiogu
E21 - EARTH DRILLING MINING
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Patent Grant
Mixed well steam drive drainage process
Patent number
5,417,283
Issue date
May 23, 1995
Amoco Corporation
Godwin Ejiogu
E21 - EARTH DRILLING MINING