ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,671, issued on Sept. 1, was assigned to Blue-Band LLC (Sanford, Fla.).

"Train warning system for rail operations" was invented by Kevin D. Yorke (Deltona, Fla.) and Roberto C. Adair (Oveido, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computing device communicatively coupled to a light assembly that is coupled to a railroad track and that is operable to emit light in a plurality of different colors, determines a current train state of a plurality of different train states at a first location. In response to determining that the current train state is a first train state of the plurality of different train states, the computing device cause...