ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,633, issued on June 24, was assigned to FIPAK Research And Development Co. (Rowley, Mass.).

"Method and apparatus for ensuring air quality in a building, including method and apparatus for controlling a working device using a handheld unit having scanning, networking, display and input capability" was invented by Stephan Hauville (Byfield, Mass.) and Antoine Hauville (La Londe, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air filtration unit for withdrawing air from a room, purifying the withdrawn air, and then returning the purified air back into the room, the air filtration unit having: a housing configured to be mounted to a surface o...