ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,219, issued on April 8.
"Welded thermoplastic hybrid cooler and method of manufacturing same" was invented by Guoping Chen (Fujian Province, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An insulated cooler comprises a body and a lid at least partially connected to the body, where each is comprised of soft thermoplastic material. The body includes a base comprising rigid plastic connected to the body via a first thermoplastic sealing strip heat welded to the bottom edges of the body, and sewn to top edges of the base. The lid includes a top comprising rigid plastic connected to top edges of the lid via a second thermoplastic sealing strip hea...