ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,258, issued on March 3, was assigned to HALEON GERMANY GmbH (Munich).
"Toothbrush head and method of manufacturing" was invented by Joerg Mayer (Buhl, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides a toothbrush head and a toothbrush with improved toothbrush bristle configuration comprising different types of bristle filaments in a specified arrangement. Disclosed are toothbrush heads comprising first tufts (5) comprising first bristles (6) and second tufts (7) comprising second bristles (8), wherein the second tufts (7) are positioned outermost closest to the distal end (3A) and outermost closest to the proximal end ...