Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 10, 2012
Patent Application Number
11113885
Date Filed
April 25, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A traffic control system utilizes geometric or mathematical designs and/or secondary lights for traffic signals so as to allow red/green color blind individuals to determine whether the signal is for stop or go.
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