ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,647, issued on July 1, was assigned to ALPHA GROUP Co. LTD. (Guangdong, China) and GUANGZHOU ALPHA CULTURE COMMUNICATIONS Co. LTD. (Guangdong, China).
"Early education toy" was invented by Haojun Shao (Guangdong, China), Chunlan Guo (Guangdong, China), Rui Liao (Guangdong, China) and Longshan Ou (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An early education toy is configured to be used with a plurality of balls, and includes: a housing having a ball inlet and a ball outlet, and including a slideway therein, the slideway having an end connected with the ball inlet and another end connected with the ball outlet; a rotating part piv...