US Patent 10030784 Ball valve tertiary seal assembly and method
Patent 10030784 was granted and assigned to Worldwide Oilfield Machine on July, 2018 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
June 16, 2015
0
Date of Patent
July 24, 2018
0
Patent Applicant
Patent Application Number
14740625
0
Patent Inventor Names
William W Lanning
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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