US Patent 8899161 Railroad tank car manway assembly
Patent 8899161 was granted and assigned to Union Tank Car Company on December, 2014 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
July 9, 2012
Date of Patent
December 2, 2014
Patent Application Number
13543995
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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