ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,362, issued on Aug. 5, was assigned to Particles Plus Inc. (Stoughton, Mass.).

"Networked air quality monitoring system" was invented by David Pariseau (Los Altos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A networked air quality monitoring system. Such a system could provide information beyond the user's local instrument on air quality over a much larger area. This information could be used by a user to make decisions about frequenting particular areas based on the results, or to alert them to changing conditions in the area so that the user might act before local conditions change."

The patent was filed on Aug. 20, 2021, under Applicat...