ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,320, issued on Oct. 14, was assigned to COLGATE-PALMOLIVE COMPANY (New York) and OMRON HEALTHCARE Co. LTD (Kyoto, Japan).

"Oral care implement and replacement head thereof" was invented by Hideaki Yoshida (Kyoto, Japan), Takashi Torihama (Kyoto, Japan), Thomas Mintel (Rahway, N.J.) and Joseph Fattori (East Sandwich, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A replacement head for detachable coupling to an oral care implement body. The replacement head may include a head having at least one treatment element and a tubular sleeve extending from the head and defining a cavity having an axis that receives a stem of the oral care implement bod...