ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,442, issued on Oct. 28.
"Temperature-controlled meal transport" was invented by Jose E. Cardona Rivera (Pasadena, Calif.), William C Patton Jr. (Campbellsville, Ky.), Luke Gray (London) and Joseph Ricker (Buffalo Grove, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of and container for temperature-controlled meal transport are provided. A food tray accommodation area is defined in the interior of the meal transport container. A plurality of ledges are defined in the food tray accommodation area, the ledges designed to support a plurality of different sized food trays. An insulator is provided to insulate the food tray accommodation ar...