ALEXANDRIA, Va., July 7 -- United States Patent no. 12,672,754, issued on July 7, was assigned to Whirlpool Corp. (Benton Harbor, Mich.).

"Dishwasher" was invented by Frederick Thomas Roderick (Coloma, Mich.), Mark Steven Feddema (Kalamazoo, Mich.) and Joseph Allen Gregory (Niles, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dishwasher for treating dishes according to a cycle of operation, the dishwasher comprising a tub at least partially defining a treating chamber; a dish rack movably received within the treating chamber, configured for receiving dishes for treatment during the cycle of operation, and moveable relative to the tub; a sprayer located within the treating chamber, configured to emit...