ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,331, issued on March 17, was assigned to Meng Zhang (Shenzhen, China).
"Rotating assembly and jigsaw puzzle table" was invented by Meng Zhang (Shenzhen, China), Xiaoling Che (Dangyang, China) and Jinyan Duan (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotating assembly and a jigsaw puzzle table using the rotating assembly are disclosed in present disclosure. The jigsaw puzzle table includes a board portion comprising a bottom surface, at least two puzzle drawers, a reinforcing arm connected to the bottom surface of the board portion, a first pivoting arm connected to the bottom surface of the board portion, a supporting shaft ...