ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,554, issued on Oct. 6.

"Conveniently storable children height-increasing stool" was invented by Yu Su (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a conveniently storable children height-increasing stool, which includes two side plates, at least one support plate connected between the two side plates, a folding assembly having two auxiliary support feet, and a limiting device disposed between the side plates and the folding assembly. The folding assembly can achieve rotational connection with the side plates, the auxiliary support feet can be fully stacked against inner sides or outer sides of the...