ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,372, issued on Dec. 16, was assigned to Middleby Marshall Inc. (Elgin, Ill.).

"Method and apparatus for air treatment including light baffle catalyst" was invented by Karen R. Benedek (Winchester, Mass.), Philip C. Carbone (North Reading, Mass.), Peter J. Loftus (Cambridge, Mass.) and David J. Hensel (Somerville, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method for treating air includes a UV illumination source in a housing and arranged to expose air to UV illumination suitable to inactivate microorganisms. One or more light baffles can be arranged so that UV illumination is incident on an inlet or outlet side of the ligh...