ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,218, issued on June 24, was assigned to Karsten Manufacturing Corp. (Phoenix).
"Iron-type golf club heads with a dual-density insert" was invented by Jeremy N. Snyder (Benbrook, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "In general, aspects of this invention relate to blade-type iron golf clubs or golf club heads. The blade-type golf club head may comprise a body forged of a metal material. The body may include a hosel, a top surface, a sole, a heel, a toe, a ball striking surface, and a rear surface opposite the ball striking surface. The rear surface may have recess in which a dual-density insert is affixed. The dual-density insert may h...