Inventor
FRISBIE JAMES
US3 patents
Patents
3 patentsUS11724724B2Aug 15, 2023
System for controlling vital wayside devices of a railway network, and vital switch for such vital devices
ALSTOM TRANSP TECH0 citations57
US10988151B2Apr 27, 2021
System and method for controlling a level crossing of a railway track
ALSTOM TRANSP TECH0 citations51
US10533288B2Jan 14, 2020
Railroad track wire connection and corresponding railroad installation
ALSTOM TRANSP TECH1 citations51