ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,995, issued on Sept. 30, was assigned to Non Lethal Labs LLC (Bethel, Conn.).

"System for non-lethal defense and crowd control in public and private spaces" was invented by Spencer Topel (New York) and Lawrence Lopata (Bethel, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-lethal electronic defense device comprising one or more effects such as light, sonic, ultrasonic, infrasonic, chemical, electrical, or mechanical devices capable of causing intense sensations of disorientation, distress, incapacitation, and/or pain for the purpose of protecting a public or private space from an intruder or attacker exhibiting an intent to cause harm t...