US Patent 7976247 Dual pressure cylinder
Patent 7976247 was granted and assigned to Atp Oil & Gas Corporation on July, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 4, 2009
0
Date of Patent
July 12, 2011
0
Patent Application Number
12612474
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Patent Inventor Names
David Trent
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Robert Magee Shivers, III
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Charles C. Trent
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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