ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,294, issued on April 14, was assigned to Mac LTT Inc. (Kent, Ohio).

"Tanker truck with rear lighting assembly and method of operation" was invented by James A. Maiorana (Hartville, Ohio), Anthony Scott Miller (Elyria, Ohio) and Ryan Joseph Troyer (Hartville, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of signaling a plurality of driving states of a tank vehicle when in travel. The method includes steps of sending a travel response to a rear lighting assembly of the tank vehicle, emitting a set of indicating lights, by a signaling device of the rear lighting assembly, through a false bulkhead of the tank vehicle, and signaling the p...