ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,243, issued on April 14, was assigned to A&C FUTURE INC. (Irvine, Calif.).
"Sofa bed system" was invented by Qiyin Pan (Irvine, Calif.), Jiuqi Wang (Santa Ana, Calif.), Shoue Chen (Irvine, Calif.), Han Qin (Newport Beach, Calif.) and Jiayang Qin (Newport Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sofa bed system has four primary components, including a base unit that functions as a storage shell system and serves to delineate, for example, the separation between the living room and kitchen areas. The sofa seat portion includes the sofa seat frame, sofa seat pad, and seat support. The sofa backrest portion encompasses the sofa ba...