US Patent 7380840 Expandable threaded connection
Patent 7380840 was granted and assigned to Hydril on June, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 26, 2004
0
Date of Patent
June 3, 2008
0
Patent Application Number
10973937
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Patent Inventor Names
Robert S. Sivley, IV
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Harris A. Reynolds, Jr.
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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