ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,985, issued on Jan. 20.
"Luminous jumping ball" was invented by Zhiang He (Yongkang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A luminous jumping ball includes a connecting rod, an ankle ring, and a roller. The ankle ring is fixedly connected to an end of the connecting rod, another end of the connecting rod facing away from the ankle ring is rotatably connected to a rotatable sleeve, the rotatable sleeve is fixedly connected to the roller through a spring, two ends of the spring are fixedly connected to an end of the rotatable sleeve and an end of the roller, respectively, and the spring, the rotatable sleeve, and the roller are coaxiall...