ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,453, issued on Oct. 20, was assigned to PLAYRTECH LLC (Las Vegas).

"Method and apparatus for modifying the configuration of existing gaming machines" was invented by Pierre Keylian (Henderson, Nev.) and Ara Tcholakian (Las Vegas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus facilitate the association of one or more new video displays with an existing gaming machine. The apparatus may comprise a modified door and door mounting elements, including a door mounting assembly, latching assembly and opening assembly, which facilitate mounting of the modified door to the housing of the existing gaming machine in replacement of an exi...