ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,711,837, issued on Aug. 18, was assigned to IGT (Las Vegas).
"Symbol specific multiplier accumulation sequence and accumulated symbol specific multiplier use sequence" was invented by Sylvie Roussel (Moncton, Canada) and Richard Savoie (Moncton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Gaming systems and methods that provide a symbol specific multiplier accumulation sequence and a related accumulated symbol specific multiplier use sequence, wherein the accumulation sequence includes increases of the individual respective multipliers associated with the specific symbols during one or more plays of one or more games, and wherein the use seque...