ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,894, issued on Sept. 1, was assigned to The Phantom Laboratory Inc. (Salem, N.Y.).

"Method and system for applying pulsed electric fields with high uniformity using charged ring structures" was invented by Richard Mallozzi (Middleton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device, system and method for generating pulsed electric fields with high uniformity are provided. The electric fields occupy a large volume, suitable for placing a human or animal patient. A device for generating the electric fields is provided, which comprises a plurality of ring structures made of an electrically conductive material, wherein the ring structures ...