ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,432, issued on Feb. 3, was assigned to Colgate-Palmolive Co. (New York).

"Oral treatment device" was invented by Scott Demarest (Loudon, Tenn.), Francis Tatu (Sea Girt, N.J.), Mark Bartlett (North East, Pa.), Stacey Lavender (Chesterfield, N.J.), Patrik Johansson (Hoboken, N.J.), Scott Mosby (Memphis, N.Y.) and Mark Lowenthal (Vancouver, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oral treatment device that emits light onto surfaces of a user's teeth. In one aspect, the oral treatment device includes an intraoral mouthpiece. The mouthpiece comprises a lamp support structure comprising a lamp support surface and is formed of a first materi...