US Patent 7987911 Oil well perforators
Patent 7987911 was granted and assigned to Qinetiq Limited on August, 2011 by the United States Patent and Trademark Office.
Is a
Date Filed
November 16, 2005
Date of Patent
August 2, 2011
Patent Application Number
11667195
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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