US Patent 7665547 Drill bit reservoir with controllable relief pressure
Patent 7665547 was granted and assigned to Smith International on February, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 17, 2006
0
Date of Patent
February 23, 2010
0
Patent Application Number
11601029
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Patent Inventor Names
Zhou Yong
0
Carlos Torres
0
George B. Witman, IV
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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