ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,130, issued on March 31, was assigned to LNW Gaming Inc. (Las Vegas).

"Gaming systems and methods using multi-feature award accumulation" was invented by Colbee V. Jones (Reno, Nev.), Dougal Austin (Reno, Nev.), Kellen Dale (Reno, Nev.) and Amy Robards (Sparks, Nev.).

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 base game and a feature game including a plurality of persistent elements. In response to a base game outcome including a value-bearing symbol associated with a persistent element, award indicia of the persist...