ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,987, issued on Sept. 30, was assigned to Seal Network B.V. (Amsterdam).
"Playing card with electronic authenticator" was invented by Joris Bastiaan Verschoor (Amsterdam) and Bart Boris Verschoor (Amsterdam).
According to the abstract* released by the U.S. Patent & Trademark Office: "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."
The patent was filed on Jan. 16, 2024, under Application...