US Patent 9303466 Sucker rod centralizer
Patent 9303466 was granted and assigned to Plainsman Mfg. Inc. on April, 2016 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
September 30, 2011
Date of Patent
April 5, 2016
Patent Application Number
13250712
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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