US Patent 7963342 Downhole isolation valve and methods for use
Patent 7963342 was granted and assigned to Marathon Oil on June, 2011 by the United States Patent and Trademark Office.
Is a
Date Filed
August 31, 2006
0
Date of Patent
June 21, 2011
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Patent Application Number
11469230
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Patent Citations Received
Patent Inventor Names
Kevin R. George
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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