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TOOLS FOR RAILWAY TRAFFIC CONTROL

15/177,506 | U.S. Patent Application

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Location ELECTRONIC
Filed June 9, 2016
Examiner JASON C SMITH
Class 246
Art Group 3617
Patent No. 9,517,782
Case Type Utility - 246/003000
Status Patented Case
Parent 14/519,727 Patented
Parent 61/893,547 Expired
Last Updated: 5 years, 11 months ago
Date # Transaction