US Patent 8191634 Magnetic flapper shock absorber
Patent 8191634 was granted and assigned to Baker Hughes on June, 2012 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 19, 2009
0
Date of Patent
June 5, 2012
0
Patent Application Number
12468103
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Patent Citations Received
Patent Inventor Names
Richard Y. Xu
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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