ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,967, issued on June 17, was assigned to United States of America as represented by the Secretary of the Navy (Washington).

"Receiver with selected suppression of propagating signals" was invented by Nicholas Thomas Johnson (San Diego), Michael Paul Civerolo (San Diego) and Christopher L. Lichtenberg (Carlsbad, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound receiver receives radio-frequency electromagnetic or other propagating radiation. A filter generates a filtered electrical signal representing at least one selected electromagnetic signal isolated from a monitored electrical signal. A transmitter retransmits, with a specified tim...