ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,127, issued on March 31, was assigned to LNW Gaming Inc. (Las Vegas).

"Gaming system and method with a persistent element feature including a sliding range component" was invented by Kenneth Shawn Soong (Henderson, Nev.), John Kearns (Henderson, Nev.) and Mariela Polena (Las Vegas).

According to the abstract* released by the U.S. Patent & Trademark Office: "There are provided a gaming machine and method that utilize game-logic circuitry and a presentation assembly configured to present a plurality of symbol-bearing base reels, a base array, and a plurality of persistent elements. The plurality of base reels are spun and stopped to land symbols from the base reels in the base arr...