ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,720, issued on July 15, was assigned to Viscor Inc. (Toronto).

"Ultra-violet lighting fixture" was invented by Santino Nemi (Toronto), Antonio Magisano (Toronto), Sandu Cusmariu (Toronto), Timothy Stevens (Mount Pleasant, Wis.) and Song Liu (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting fixture arranged and configured to emit visible (e.g., white) light and ultraviolet light. In one embodiment, the lighting fixture includes one or more visible light emitting compartments and one or more ultraviolet light emitting compartments for housing the visible light emitting components and the ultraviolet light emitting compartments, respec...