ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,568, issued on May 19, was assigned to Acushnet Co. (Fairhaven, Mass.).

"Golf club head with improved striking face" was invented by Darryl C. Galvan (El Cajon, Calif.), Kyle A. Carr (Carlsbad, Calif.), Christopher D. Harvell (San Marcos, Calif.) and David S. Cornelius (San Marcos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A golf club head with improved striking face is disclosed. More specifically, the present invention relates to a golf club head wherein the striking face is further comprised out of a thickened central region, located near a geometric center of the striking face portion, a central transition region extending outward rad...