ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,693, issued on Oct. 20, was assigned to BESTWAY INFLATABLES & MATERIAL CORP. (Shanghai).
"Inflatable pad" was invented by Xianglin Zeng (Shanghai), Qingshui Song (Shanghai), Yihua You (Shanghai) and Bingrong Wu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inflatable pad includes a top sheet and a bottom sheet, connected to the top sheet to jointly define an inflatable chamber. The top and bottom sheets may each include an outer layer, an inner layer, and a heat insulation film disposed between the inner and outer layers. The top and bottom sheets may be welded together at a plurality of positions. A connecting sheet may be provided wi...