ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,741, issued on March 3, was assigned to National Technology & Engineering Solutions of Sandia LLC (Albuquerque, N.M.).

"Respirator test system" was invented by Todd Andrew Barrick (Bosque Farms, N.M.), Eric A. Shaner (Rio Rancho, N.M.), Bradley Salzbrenner (Albuquerque, N.M.), Michael Alexis Omana (Edgewood, N.M.), Thomas John Rogers (Albuquerque, N.M.), Dora K. Wiemann (Albuquerque, N.M.) and Lorenzo Jiron (Sandia Park, N.M.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A test fixture facilitates non-destructive testing of a protective mask. The test fixture includes a mock facial structure, a clamping form that makes a seal around at least part o...