ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,612, issued on April 7, was assigned to Whirlpool Corp. (Benton Harbor, Mich.).

"Appliance sanitization system that utilizes ozone gas" was invented by Marco Cagliani (Fabriano, Italy), Karl David McAllister (Stevensville, Mich.), Omar R. Murad (Rio Claro, Brazil), Sadasivam Narayanan (Pondicherry, India) and Nicholas B. Vaive (St. Joseph, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laundry washing appliance includes a drum that is rotationally operable within a tub. A sanitization mechanism delivers ozone into a processing space defined within the drum for sanitizing laundry within the drum. An ozone generator of the sanitization mechani...