ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,222, issued on March 24, was assigned to Curaden AG (Switzerland).
"Brush for sonic toothbrush with longitudinal axis vibration" was invented by Marco Zavalloni (Wohlen, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A brush for a sonic toothbrush with longitudinal axis vibration having an elongated base body has a frustoconical base portion with a drive adapter for rotation-fixed coupling to a sonic toothbrush drive with longitudinal axis vibration, and a head portion with a bristle support in which a plurality of bristles are anchored, and an elongated neck portion connecting the base portion and the head portion is disclosed. The bas...