ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,121, issued on May 27, was assigned to The Hillshire Brands Co. (Chicago).

"System and method for framed lid" was invented by Steven Morris (Bentonville, Ark.), Jeffrey Czarny (Chicago), Steven Clarke (Melbourn, Great Britain), Mark Jones (Melbourn, Great Britain) and Nick Harding (Melbourn, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A package for retaining a food item includes a tray with a base connected to at least one sidewall. The sidewall extends away from the base to a rim to define an inner chamber. The tray is made of a fluid impermeable material to retain fluids in the inner chamber. The package also includes a shelf made...