ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,580, issued on June 3, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.).

"Refrigerator appliance and methods of item location identification" was invented by Jason Andrew May (Louisville, Ky.), Brent Alden Junge (Louisville, Ky.) and Michael Goodman Schroeder (Crestwood, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerator appliance may include a cabinet, a door, a camera module, a microphone, and a controller. The cabinet may define a chilled chamber. The door may be rotatably hinged to the cabinet to provide selective access to the chilled chamber. The camera module may be mounted to the cabinet. The microphone may ...