ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,161, issued on Sept. 23, was assigned to GOLFZON Co. Ltd. (Seoul, South Korea).
"Golf swing training apparatus" was invented by Noori Han (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed herein is a golf swing training apparatus for providing sensations of hitting for golf swing practice. The golf swing training apparatus includes: a shaft body formed to a predetermined length, and having a grip; an impact ball coupled to be movable along the longitudinal direction of the shaft body, and configured to provide weight; a ball rail formed along the longitudinal direction of the shaft body, configured to provide a movement pa...