ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,144, issued on June 23, was assigned to LIVYI LLC (Los Angeles).

"Foot-operated control switch and space heater" was invented by Yi Zhang (Xiamen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A foot-operated control switch includes a mounting base, a main control circuit board, a first button switch and a display screen. The mounting base includes a top cover; the main control circuit board is provided in the mounting base and configured for electrical connection with a controlled device; the first button switch is electrically connected to the main control circuit board and configured to control at least one or a combination of turn-on, tur...