ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,037, issued on Aug. 12, was assigned to QUANTUM IP LLC (Stuart, Fla.).

"RF-based detection device for material identification using a smart frequency selection method" was invented by Robert J. Short Jr. (Stuart, Fla.) and Lee Duke (Stuart, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for material detection and identification including: an RF transmitter configured for transmitting into an environment an RF signal at a first resonance frequency for a target material, wherein the first resonance frequency is obtained from a material database associating each of a plurality of materials with one or more corresponding resonance frequenc...