US Patent 7426938 Choke valve flow trim for fracture prevention
Patent 7426938 was granted and assigned to Master Flo Valve Inc. on September, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 18, 2006
Date of Patent
September 23, 2008
Patent Application Number
11334047
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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