ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,852, issued on May 20, was assigned to IGT (Las Vegas).
"Held reel with multiple different features and an associated accumulation sequence" was invented by Johnny Yi (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "In various embodiments, the present disclosure relates to gaming systems and methods providing a reel game including a plurality of reels, wherein one or more of the reels is a held reel with multiple different overlapping features. For each of one or more plays of the reel game, for each held reel, a first one of the overlapping features of that held reel is used and a second one of the overlapping features of that held reel is i...