Inventor
STEFFEN II MICHAEL
US4 patents
Patents
4 patentsUS9126609B2Sep 8, 2015
Systems and methods for controlling warnings at vehicle crossings
GEN ELECTRIC10 citations81
US9026360B2May 5, 2015
Systems and methods for providing constant warning time at crossings
GEN ELECTRIC5 citations70
US9751545B2Sep 5, 2017
Systems and methods for testing wayside units
GEN ELECTRIC4 citations69
US9340220B2May 17, 2016
Systems and methods for management of crossings near stations
GEN ELECTRIC6 citations65