ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,634, issued on June 24, was assigned to Zhejiang Hengfeng Top Leisure Co. Ltd. (Zhejiang, China).

"Folding bedstead and bed" was invented by Baoqing Yang (HangZhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A folding bedstead includes multiple vertical poles and a top frame which is foldably mounted at the top ends of the vertical poles. The vertical poles are spaced apart. Connections between any two adjacent vertical poles form a loop. Any two adjacent vertical poles are connected by a connecting rod assembly, and the vertical poles are folded or unfolded by means of the connecting rod assembly. The top frame includes multiple top rods ...