Patents Assigned to Seal Network B.V.
  • Playing card with electronic authenticator
    Patent number: 11908273
    Abstract: Some embodiments are directed to a playing card system configured to authenticate a playing card for playing a card game. The playing card system comprising a playing card, a playing card authentication device, and a playing card authentication server. The playing card comprises an electronic memory storing authentication data, and a counter.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: February 20, 2024
    Assignee: Seal Network B.V.
    Inventors: Joris Bastiaan Verschoor, Bart Boris Verschoor