ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,059, issued on Sept. 23, was assigned to IGT (Las Vegas).
"Random quantity of ways to win determining modifier of hold and spin sequence" was invented by Klaus Gaar (Aflenz Kurort, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "Gaming systems and methods that randomly determine a quantity of ways to win for a play of a game by randomly determining a quantity of active symbol display positions to employ for that play of the game and then, responsive to a triggering event, utilize the randomly determined quantity of active symbol display positions to determine one or more modifiers employed for a symbol accumulation sequence."
The patent was...