ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,604, issued on July 1, was assigned to Topgolf Callaway Brands Corp. (Carlsbad, Calif.).

"Method of manufacturing golf club head having stress-reducing features" was invented by James A. Seluga (Carlsbad, Calif.), Matthew Myers (Carlsbad, Calif.), Christopher A. G. Nunez (Escondido, Calif.), Timothy G. Scott (Encinitas, Calif.), Jeremy R. Hanhart (Oceanside, Calif.), Kelsey Bazshushtari (Encinitas, Calif.), Robert S. Gonczi (Oceanside, Calif.), Alex Power (Carlsbad, Calif.), Romulus M. Tomimbang (San Diego) and Justin Del Rosario (Carlsbad, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of manufacturing a golf club head with one or mor...