ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,020, issued on Feb. 18, was assigned to Dongguan Hongyu Plastic Co. Ltd. (Guangdong, China).
"Inflatable bed" was invented by Juying Shi (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The inflatable bed includes a top wall, an outer peripheral sheet, a bottom wall and an inner peripheral sheet, the top and bottom walls are arranged oppositely and fixed to the outer peripheral sheet; the inner peripheral sheet is provided with a plurality of through holes arranged at intervals in a circumferential direction of the inner peripheral sheet; the inner peripheral sheet has a first annular edge and a second annular edge that are arranged ...