ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,304, issued on March 3, was assigned to IGT (Las Vegas).
"Electronic gaming machine having a transmissive display device and reels that include symbols with fillable sub-symbols" was invented by Brandon Woudhuysen (Sparks, Nev.), Gary Sanchez (Reno, Nev.) and Kim Sy (Reno, Nev.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gaming system including a housing and a reel assembly including a rotatable reel having a reel strip including a symbol and an associated fillable sub-symbol, and a transmissive display device defining a see-through window aligned with the rotatable reel and configured to display an image in the window of an initial size and in...