ALEXANDRIA, Va., June 10 -- United States Patent no. 12,293,641, issued on May 6, was assigned to IGT (Las Vegas).

"Gaming systems and methods for providing reel-spin game enhancement features" was invented by Elisabeth Kiss (Unterpremstatten, Austria), Susanne Kiss (Oberwart, Austria), Julia-Ines Lerchbaumer (Spielfeld, Austria), Bruno Rittner (Hausmannstaetten, Austria) and Michael Russ (Graz, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates generally to systems and methods for providing reel-spin game enhancement features. A player enrolled with a subscription service server is presented with an opportunity to enhance game features associated with a gaming device after...