ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,862, issued on May 20, was assigned to IGT (Las Vegas).

"Electronic gaming machine having a reel assembly and method of making reel strips" was invented by Lauren Hillstrom (Otis Orchards, Wash.), Gary Sanchez (Reno, Nev.), Anton Walker (Reno, Nev.) and Kyle Rothchild (Carson City, Nev.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gaming system including a housing and a reel assembly supported by the housing, the reel assembly including reel having a reel strip manufactured using an inkjet printing process and having one or move designated symbols that can be revealed or hidden depending on the lighting of the reel strip."

The patent was filed ...