ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,627, issued on Sept. 22, was assigned to Shandong Longming Information Technology Co. Ltd (Qingdao City, China).
"Waterproof bag" was invented by Chengji Hu (Qingdao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waterproof bag includes a main body portion and a fastening assembly. The main body portion includes a front side portion and a rear side portion, wherein the rear side portion is configured to be foldable at least twice so as to switch the waterproof bag between an unfolded state, a first folded state, and a second folded state; the rear side portion includes a first folding portion and a second folding portion; the front side po...