ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,686, issued on July 14, 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 includes a board assembly comprising a puzzle plate an adjusting structure coupled with the puzzle board, a supporting assembly coupled with the adjusting structure. The adjusting structure is capable of supporting the board assembly in either a horizontal state or an inclined state, and capable of enabling the board assembly to switch between the horizontal state and the incli...