US Patent 8011305 Symmetrical multi-unit railroad car
Patent 8011305 was granted and assigned to National Steel Car on September, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
June 30, 2003
Date of Patent
September 6, 2011
Patent Application Number
10611659
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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