ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,706, issued on July 29, was assigned to Interbros GmbH (Schoenau, Germany).
"Interdental cleaner" was invented by Juergen Butz (Utzenfeld, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An interdental cleaner has a rod-shaped support made of plastics material, which has a cleaning device in an axial end region, which cleaning device has a covering for the support made of a soft-elastic plastics material and a bristle set having a plurality of bristle bundles protruding, with a radial component, from the covering. The bristle bundles extend through the support and are embedded and held therein. The covering has at least one recess on its oute...