ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,860, issued on June 23, was assigned to IGT (Las Vegas).

"Independently randomly generated different features associated with different activators in free activation setting" was invented by Stephen Calvert (Berkhamsted, Great Britain), Robin Hare (Reno, Nev.), Michael DeBrabander (Reno, Nev.) and Dieter Goriup (Graz, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "Gaming systems and methods that provide free plays of a game including multiple pots, multiple different features associated with the pots, multiple activators that can cause activation of the pots and features associated with the pots, a reduced quantity of symbols for the free pl...