ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,783, issued on July 22, was assigned to AWI Licensing LLC (Wilmington, Del.).

"Air purification and surface sterilization systems integratable into building structures and furniture systems" was invented by William H. Frantz (Elizabethtown, Pa.), Anthony L. Wiker (Lancaster, Pa.), Alexandra G. Waltemyer (York, Pa.) and Meredith G. Baxter (Lancaster, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Air purification and surface sterilization systems employing ultraviolet germicidal irradiation integratable in a discrete manner into indoor occupiable spaces in buildings. The systems may be used alone or in combination. The air purification system uti...