ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,819, issued on April 29, was assigned to Whirlpool Corp. (Benton Harbor, Mich.).

"Combination microwave and hood system" was invented by Owen (XunCai) Zhang (Shenzhen, China), Michael A. Ledford (St. Joseph, Mich.), Stephen Zheng (Shenzhen, China) and Xiangxu Liu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microwave hood system is provided. The microwave hood system includes a microwave oven enclosure defining a cooking cavity therein. A cooking component is positioned within the cooking cavity and configured to emit microwaves. The heating system defines a heating cavity therein, wherein the heating system is coupled to the mic...