ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,885, issued on July 15, was assigned to Karsten Manufacturing Corp. (Phoenix).
"Iron-type golf clubs and golf club heads" was invented by Andrew G. V. Oldknow (Beaverton, Ore.) and Nathaniel J. Radcliffe (Trophy Club, 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 an upper blade portion and a lower musc...