ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,668, issued on July 1, was assigned to Crystal IS Inc. (Green Island, N.Y.).

"Air disinfection chamber" was invented by Leo J. Schowalter (Latham, N.Y.) and James Davis (Green Island, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system disinfects air. The system includes an elongated chamber having an inlet configured for air to flow into the chamber. The chamber also has an outlet configured for air to flow out of the chamber, and a sidewall formed from a material that is at least 90% UVC reflective. The chamber defines a longitudinal axis. A LED is positioned to emit UVC radiation in a direction substantially perpendicular to the longitudi...