ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,561, issued on June 23, was assigned to Acushnet Co. (Fairhaven, Mass.).

"Golf club head with adjustable viewable weighting" was invented by Sang Yi (Carlsbad, Calif.), Kevin Tassistro (San Marcos, Calif.), Ronald K. Hettinger (Oceanside, Calif.) and Stephen S. Murphy (Carlsbad, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A golf club head with an improved adjustable weighting system for an iron and/or wedge type golf club head is disclosed herein. More specifically, the golf club head in accordance with the presently disclosed technology may provide an improved adjustable weighting system that allows a user to view a position of one or mor...