ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,914, issued on March 4.
"Puzzle platform" was invented by Xiaoling Che (Hubei, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A puzzle platform, for placing on a playing place, includes a puzzle board having a puzzle plate for placing a plurality of puzzle pieces thereon and at least one puzzle drawer located below the puzzle plate, a kickstand for supporting the puzzle board on the playing surface, a rotating device coupled to the puzzle board and spaced apart from the kickstand. When the kickstand supports the puzzle board, the puzzle plate, the rotating device and the puzzle drawer are respectively inclined relative to the playing place, an...