ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,275, issued on April 22.

"Monitoring system for mask device with alert messages and related methods" was invented by Marquette Trishaun (Winter Park, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A monitoring system may include a server, and mask devices in communication with the server. Each mask device may include a mask body to be worn by a respective user, an air quality sensor carried by the mask body and configured to detect a contaminant concentration value in air breathed through the mask body, a wireless transceiver carried by the mask body and in communication with the server via a wireless link, and a processor carried by the mask bo...