US Patent 7779935 Mechanically engaged and releasable connection system
Patent 7779935 was granted and assigned to National Oilwell Varco on August, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
June 9, 2008
0
Date of Patent
August 24, 2010
0
Patent Application Number
12135792
0
Patent Inventor Names
Xu Shijie
0
Fred Jagert
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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