ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,052, issued on March 31, was assigned to Jeral Innovations LLC (Rio Rancho, N.M.).

"Tactical motion sensor apparatus and method" was invented by Jeremy Wolffbrandt (Albuquerque, N.M.) and Allen Ciesliga (Clawson, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A module attachable to a wall to sense motion of a subject on the other side of the wall and to visually indicate the motion to operators on the module's side of the wall, sized for use in tactical operations. Embodiments of the module comprise at least one through-the-wall motion sensor and an indicator, which can include a light source, visible from the outside of the module to indicat...