US Patent 8344877 Track worker safety system
Patent 8344877 was granted and assigned to Bombardier Transportation on January, 2013 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
July 7, 2009
Date of Patent
January 1, 2013
Patent Application Number
12498881
Patent Citations Received
Patent Inventor Names
Keith Burton Sheardown
0
Sathya Vagheeswar Venkatasubramanian
0
Jason John Freebern
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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