ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,589, issued on May 20, was assigned to MDESS LLC (Beavercreek, Ohio).

"Detecting unauthorized telecommunication devices at a secured facility" was invented by Garrett Loo (Carthage, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects for identifying and locating contraband telecommunication devices are disclosed. In one such aspect, a system contains one or more base stations, and a processing system configured to identify wireless networks in a facility; obtain a transmission plan for detecting wireless devices at the facility; detect the wireless devices in the facility by executing the transmission plan on the identified wireless networks...