ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,720, issued on March 31, was assigned to Ford Global Technologies LLC (Dearborn, Mich.).

"Braking system and current detection therefor" was invented by Sheran Anthony Alles (Livonia, Mich.) and Enrique Denicia (Miguel Hidalgo, Mexico).

According to the abstract* released by the U.S. Patent & Trademark Office: "A braking system includes drive circuitry configured to communicate a brake signal from a towing vehicle to a towed vehicle connected to the towing vehicle, an output node configured to carry the brake signal, and a switch electrically interposing the drive circuitry and the output node. A current detector is in series with the switch and is configured to detect a current...