US Patent 7410003 Dual purpose blow out preventer
Patent 7410003 was granted and assigned to BJ Services on August, 2008 by the United States Patent and Trademark Office.
Is a
Date Filed
November 20, 2006
Date of Patent
August 12, 2008
Patent Application Number
11602511
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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