ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,455, issued on Sept. 15, was assigned to Universal City Studios LLC (Universal City, Calif.).

"Interactive object systems and methods" was invented by Wei Cheng Yeh (Orlando, Fla.), Rachel E. Rodgers (Orlando, Fla.) and Travis Jon Cossairt (Celebration, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An interactive object system includes an interactive object and a source of electromagnetic radiation, e.g., an external source. A power harvesting device of the interactive object receives and harvests power from the electromagnetic radiation to power a special effect system of the interactive object. In an embodiment, the interactive object inclu...