ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,621, issued on Oct. 7, was assigned to Sensormatic Electronics LLC (Boca Raton, Fla.).

"System and method for foil detection using millimeter wave for retail applications" was invented by John A. Allen (Pompano Beach, Fla.) and Michael Del Busto (Lake Worth, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an aspect, the present disclosure includes a system for detecting metal foil using millimeter wave (mmWave) for retail applications. The system comprises one or more pedestals positioned to define an exit portal leading to a point of exit, one or more security tag readers, fixedly positioned with the one or more pedestals, configured to read ...