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Keith F. Way
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Traverse City, MI, US
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last 30 patents
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Patent Grant
Method and apparatus for high-efficiency gas separation upstream of...
Patent number
4,913,630
Issue date
Apr 3, 1990
Shell Western E&P Inc.
Robert D. Cotherman
E21 - EARTH DRILLING MINING
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Patent Grant
Method and apparatus for establishing multi-stage gas separation up...
Patent number
4,901,413
Issue date
Feb 20, 1990
Shell Western E&P Inc.
Robert D. Cotherman
E21 - EARTH DRILLING MINING