ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,760, issued on May 6, was assigned to Qiku Smart-Link Technology(Shenzhen) Co. Ltd. (Shenzhen, China).
"Luminous frisbee" was invented by Weixing Liu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A frisbee, including a main body, a plurality of LEDs, and a battery. The main body includes a central disc portion and an outer ring periphery. The plurality of LEDs are arranged on the central disc portion. The central disc portion is provided with a plurality of light-guiding ribs. One end of each of the plurality of light-guiding ribs is arranged close to the plurality of LEDs, and the other end of each of the plurality of light-guidin...