ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,521, issued on March 25, was assigned to Shenzhen Huamingjun Rubber Co. Ltd (Shenzhen, China).
"Toy water ball" was invented by Bin Xiong (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A toy water ball includes at least two shells that are enclosable to form a water storage cavity, each of the shells including: a mounting frame, a magnetic member and a water pocket mounted on the mounting frame. The mounting frame includes a first surface and a second surface oppositely arranged in a thickness direction thereof. When the shells are enclosed to form the water storage cavity, magnetic members of adjacent shells attract each other, a...