ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,399, issued on May 26, was assigned to Radical Clean Solutions Ltd. (Long Beach, N.Y.).

"Proactive air/surface decontamination system and devices for building HVAC ducts" was invented by Roger Slotkin (Long Beach, N.Y.) and Ralph T. Kubitzki (Plantation, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for decontaminating/neutralizing breathable air and surfaces in an occupied enclosed space, i.e., hydroponic greenhouses, aircraft, rail and road vehicles, in building ducts, or rooms, includes mounting an atmospheric hydroxyl radical generator along an inside surface of an occupied space having respective air inlets and air outlets. The hy...