US Patent 7931310 Pipe coupler
Patent 7931310 was granted and assigned to WESTERN OILFIELDS SUPPLY COMPANY on April, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 10, 2009
Date of Patent
April 26, 2011
Patent Application Number
12401598
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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