ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,028, issued on Feb. 24, was assigned to AGS LLC (Las Vegas).
"Wager-based game having persistent gaming feature with prize accumulator and prize counter associated with triggering symbols provided by a gaming machine" was invented by Oliver C Crispino (Las Vegas) and Billy Tam (Las Vegas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wager-based game includes a base game and a persistent feature game. A player may be provided an award based on the outcome of the base game. A counter may be incremented in response to an occurrence of a triggering symbol in the outcome of the base game and associated prize is added to an accumulator. The prize is aw...