ALEXANDRIA, Va., March 24 -- United States Patent no. 12,588,115, issued on March 24, was assigned to WHIRLPOOL Corp. (Benton Harbor, Mich.).

"Thermoresistive heating plate for microwave appliance" was invented by Margherita Basso (Scorze, Italy) and Ping Wu (Shenzen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heating appliance includes a housing having interior walls with interior surfaces defining a cooking chamber for heating food, a microwave heating source configured to generate microwave radiation for heating the food, and a thermoresistive heating plate disposed in an opening defined in an interior wall. The thermoresistive heating plate has a substrate having an inner surface aligned with...