ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,440, issued on April 29, was assigned to Everi Games Inc. (Austin, Texas).
"Gaming machine and method with cascade feature" was invented by Cydny Bloem Audia (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gaming machine, system, method, and program product provide a slot machine game with a mystery symbol indicator. Responsive to a play input, a base result representation is shown a matrix of symbol locations. Responsive to a winning pattern formed in the base result representation, cascade sequences occur in which symbols participating in any winning combination are removed from matrix, further symbols drop into the symbol locations of th...