ALEXANDRIA, Va., July 23 -- United States Patent no. 12,367,737, issued on July 22, was assigned to Pilot Gaming Systems Inc. (Reno, Nev.).
"Watermarking for electronic pull-tab gaming" was invented by Jon Weaver (Birmingham, Mich.) and Anthony M. Morelli (Mt. Pleasant, S.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pull-tab gaming system and method is described. The pull-tab gaming system includes a wagering system and a plurality of gaming devices. A winning non-zero prize electronic pull-tab ticket includes a watermark identifier. For a winning ticket, the wagering system transmits a non-zero electronic pull-tab ticket having a watermark identifier and a final awarded prize in response to the elect...