ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,524, issued on June 10, was assigned to Foshan Tiansheng Leisure and Sports Goods Co. Ltd. (Foshan, China).
"Air mattress" was invented by Guangyang Xie (Foshan, China), Yongshan Liu (Foshan, China), Guoming Zhang (Foshan, China), Jinjian Tan (Foshan, China) and Zuoyou Xie (Foshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air mattress includes a top sheet, a bottom sheet, an annular outer side wall, an annular inner side wall, a plurality of inner pull straps, and a plurality of outer pull straps. An upper edge and a lower edge of the annular outer side wall are connected to outer edges of the top sheet and the bottom sheet respective...