ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,663, issued on Aug. 25, was assigned to LNW Gaming Inc. (Las Vegas).
"Gaming machine and method with persistent catalyst feature" was invented by John Kearns (Henderson, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a gaming system, gaming machine, and method that utilize an electronic display device configured to display a plurality of reels and an array. The plurality of reels bear a plurality of symbols, including standard symbols, a catalyst symbol, and value-bearing symbols. A series of reel spins are conducted where each spin lands symbols from the plurality of symbols in the array. In response to the catalyst symbol bei...