ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,575, issued on June 10, was assigned to EVERICH COMMERCE GROUP Ltd. (Hangzhou, China).
"Portable insulated lunch box" was invented by Huajun Yao (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a portable insulated lunch box, including: a box body (1) and a cover body (2) adapted to the box body (1); the cover body (2) defines a mounting cavity (4) passing vertically through the cover body (2), an upper opening of the mounting cavity (4) is arranged with a pressing member (5), and multiple locking members (6), that are transversely, elastically, and movably connected, are arranged in the mounting cavity (4); an outer end o...