ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,267, issued on March 3, was assigned to Anji Longwin Furniture Co. Ltd. (Huzhou City, China).

"Foldable sofa bed" was invented by Chen Ding (Huzhou City, China), Zhongjian Huang (Huzhou City, China) and Xuezhong He (Huzhou City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments provide a foldable sofa bed. In the embodiments, the foldable sofa bed includes a sofa frame, a foldable bed frame and at least one folding support assembly; the foldable bed frame comprises a first folding frame and a second folding frame, and the at least one folding support assembly is mounted at a location where the first folding frame and the second foldin...