ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,074, issued on May 13, was assigned to IGT (Las Vegas).
"Hidden symbol tracking as part of a paying combination set" was invented by Kyle Rothchild (Carson City, Nev.), Thomas Humphrey (Reno, Nev.), Matthew Palazzetti (Reno, Nev.) and Cullen O'Day (Reno, Nev.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates generally to gaming systems, machines, and methods and, in particular, hidden symbol tracking. As an example, an electronic gaming machine is described that includes a set of reels, where each reel in the set of reels includes a plurality of symbol regions with at least one symbol provided therein, and where a first r...