ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,302, issued on March 18, was assigned to Whirlpool Corp. (Benton Harbor, Mich.).

"Refrigerator appliance with two half shelves supported by a cantilever arm" was invented by Luiz Afranio Alves Ferreira (Joinville, Brazil), Arthur Sady Abreu Marcon (St. Joseph, Mich.), Ualisson Ferreira Da Silva (Joinville, Brazil), Gustavo Spezzia (Joinville, Brazil) and Matheus Pereira Zappelini (Joinville, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator appliance includes a liner defining a cavity having a back wall and opposing first and second sidewalls. An elongate shelf-support ladder is arranged vertically on the back wall and positioned...