US Patent 8672060 High shear roller cone drill bits
Patent 8672060 was granted and assigned to Smith International on March, 2014 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
July 27, 2010
0
Date of Patent
March 18, 2014
0
Patent Application Number
12844526
0
Patent Citations Received
Patent Inventor Names
Prabhakaran K. Centala
0
Zhehua Zhang
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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