ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,487, issued on April 7, was assigned to Shenzhen Shi Hu Lian Heng Tong Trading Co. Ltd. (Shenzhen, China).
"Jigsaw puzzle table" was invented by Meng Zhang (Shenzhen, China) and Xiaoling Che (Dangyang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A jigsaw puzzle table disclosed in present disclosure includes a puzzle board having a puzzle plate for placing a plurality of puzzle pieces, a supporting portion supporting the puzzle plate in an inclined state, a rotating assembly sandwiched between the puzzle board and the supporting portion for driving the puzzle plate to rotate, and a supporting assembly coupled with the supporting portion for ...