ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,886, issued on July 15, was assigned to Acushnet Co. (Fairhaven, Mass.).
"Double-wall iron with composite inner wall" was invented by Jonathan Hebreo (San Diego), Doug M. Takehara (San Clemente, Calif.), Joshua G. Breier (Vista, Calif.), Ryuichi Sugimae (San Diego) and Nick Frame (Vista, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a golf club head including a golf club head body, a striking face, and an inner wall supporting the striking face. A ledge extends from a body into the interior of the golf club head body, and the inner wall is disposed within a gap between the striking face and the ledge. A rear surfac...