ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,254, issued on June 3.

"Method of operating a gaming system" was invented by Artjoms Spiridonovs (Agioi Omologites Nicosia, Cyprus).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of operating a gaming system. The method comprises the following steps: placing a bet or bets on the betting grid; activating the bonus buy area having four side-bet areas; registering one of four side-bet areas selected by the player; applying a side-bet multiplier according to the registered side-bet area; closing the betting grid and the bonus buy area; selecting additional numbers to whom additional multipliers are applied; genera...