US Patent Issued to STC on May 20 for "Railway safety notification system and device with proportional warnings" (Illinois Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,538, issued on May 20, was assigned to STC Inc. (McLeansboro, Ill.).

"Railway safety notification system and device with proportional warnings" was invented by Brad Cross (McLeansboro, Ill.), Destry Diefenbach (Benton, Ill.), Pete Ksycki (McLeansboro, Ill.) and Nicholas Freed (Thompsonville, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and devices that will notify train system maintenance workers of an approaching vehicle and, conversely, will notify the operators and administrators of train systems of train system maintenance workers within the vicinity of an approaching section of track. Embodiments of the safety systems and methods...