ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,706, issued on March 25, was assigned to Aristocrat Technologies Inc. (Las Vegas).

"Low-complexity reel symbol replacement strategy with clustering" was invented by Gary Penacho (Henderson, Nev.) and Allon Englman (Las Vegas).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an electronic gaming device, instances of a target symbol are swapped in to symbol positions of one or more reel strips using one or more index tables to identify the symbol positions at which to swap in the instances of the target symbol. The index table(s) can be configured to cluster instances of the target symbol according to a deterministic approach. Subsequently, spin resu...