ALEXANDRIA, Va., June 17 -- United States Patent no. 12,317,466, issued on May 27, was assigned to LYTEN INC. (San Jose, Calif.).

"Frequency selective metamaterial for protective enclosures" was invented by Bryce H. Anzelmo (Randolph, N.J.), Carlos Montalvo (Cambria, Calif.) and Michael Stowell (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a protective enclosure for electronic systems. The enclosure comprises a polymer-containing matrix and a metamaterial incorporated into the matrix. The metamaterial is tuned to a specific permittivity or permeability to absorb or reflect a particular frequency. The protective enclosure may be used to create a safe inner e...