US Patent 8882157 Connecting oil country tubular goods
Patent 8882157 was granted and assigned to United States Steel Corporation on November, 2014 by the United States Patent and Trademark Office.
Is a
Date Filed
September 23, 2011
Date of Patent
November 11, 2014
Patent Application Number
13242922
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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