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TOOLS FOR RAILWAY TRAFFIC CONTROL

14/519,727 | U.S. Patent Application

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Location ELECTRONIC
Filed Oct. 21, 2014
Examiner JASON C SMITH
Class 246
Art Group 3617
Patent No. 9,403,545
Case Type Utility - 246/003000
Status Patented Case
Parent 61/893,547 Expired
Child 15/177,506 Patented
Child 15/928,955 Pending
Last Updated: 6 years, 5 months ago
Date # Transaction