ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,422, issued on June 2, was assigned to Whirlpool Corp. (Benton Harbor, Mich.).

"Dishwasher with a dish rack" was invented by Mark S. Feddema (Kalamazoo, Mich.), William J. Snell (Elkhart, Ind.), Sachie Kakehi (St. Joseph, Mich.), Steven B. Balinski (Rockford, Minn.), David Jason Brightbill (Berrien Ceter, Mich.), Joseph T. Ferencevich (St. Joseph, Mich.), Sujit S. Naik (St. Joseph, Mich.), Frederick Thomas Roderick (Coloma, Mich.) and Ryan Kevin Roth (Grandville, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dishwasher includes a tub that defines a dish treating chamber. First and second lower dish racks are located in the dish treating cham...