ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,701, issued on Oct. 21.

"Bed skeleton of iron frame bed" was invented by Luhao Leng (Xiamen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bed skeleton of an iron frame bed comprises a rectangular frame, a plurality of frame rods, and two or three longitudinal beams. The rectangular frame comprises two transverse rods and two longitudinal rods. A length of each of the two transverse rods is greater than a length of each of the two longitudinal rods. The two or three longitudinal beams divide the rectangular frame into three or four individual cells. The plurality of frame rods are evenly disposed in the three or four individual cells. Each ...