ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,321, issued on Dec. 2, was assigned to Acushnet Co. (Fairhaven, Mass.).
"Weighted iron set" was invented by Richard L. Cleghorn (Oceanside, Calif.), Marni D. Ines (San Marcos, Calif.) and Jonathan Hebreo (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is direct to a set of golf clubs comprising long irons, mid-irons and short irons. The invention contemplates the use of titanium or steel for the main body portion and a tungsten weight member coupled to the toe and a tungsten heel weight member coupled in a hosel cavity."
The patent was filed on Nov. 1, 2021, under Application No. 17/516,079.
*For further information,...