ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,527, issued on Dec. 16, was assigned to Apple Inc. (Cupertino, Calif.).

"Tracking objects with fiducial markers in multiple environments to provide shared experiences" was invented by Geoffrey Stahl (San Jose, Calif.) and Michael J. Rockwell (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various implementations disclosed herein include devices, systems, and methods that provide shared extended reality (XR) experiences in which two or more users interact with their own sets of physical objects (e.g., cards, game pieces, dice, chips, etc.) during the shared experiences. Each user may have multiple physical objects, each of those phy...