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Ross Pirtle

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SYSTEM, APPARATUS AND METHOD FOR RAILWAY TRAFFIC CONTROL

61/893,547 | U.S. Patent Application

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Location ELECTRONIC

Filed Oct. 21, 2013

Case Type Provisional

Status Provisional Application Expired

Child 14/519,727 Patented

Child 15/177,506 Patented

Child 15/928,955 Patented

Child 16/709,126 Pending

Last Updated: 4 years, 4 months ago

Date	#	Transaction
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SYSTEM, APPARATUS AND METHOD FOR RAILWAY TRAFFIC CONTROL

61/893,547 | U.S. Patent Application

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