ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,557, issued on July 8, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Kobe, Japan).
"Golf club head" was invented by Dustin Brekke (Fountain Valley, Calif.), Jacob Lambeth (Irvine, Calif.), Jake Grenier (Huntington Beach, Calif.) and Joseph Chen (Costa Mesa, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A golf club head includes a center of gravity spaced less than 5 mm from a vertical center plane that is perpendicular to a striking face plane and extends through a striking face center. The golf club head also includes a first component having a first melting point and a first density and a second component having a second melting point hi...