ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,376,685, issued on Aug. 5, was assigned to NISCO Co. LTD (Jiangsu, China).

"Adjustable bed" was invented by Wei Wang (Jiangsu, China) and Jian Xie (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable bed with a smooth transitional profile includes a pair of lifting assemblies each having back lifting arm and a lumbar supporting mechanism coupled with the back lifting arm such that when the back lifting arm is positioned in parallel to a co-plane of the pair of side rails, the seat platform, the top back platform and the lower back platform are aligned in a co-plane, and the adjustable bed is in a plane state; and when the back lif...