ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,755,404, issued on Oct. 6, was assigned to United States of America, as represented by the Secretary of the Navy (Washington).

"Optical surveillance system for detecting airborne objects and method for detecting airborne objects" was invented by Daniel Howard Muhleman (El Cajon, Calif.) and Daniel Edward Cunningham (Ramona, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical surveillance system for detecting airborne objects and method for detecting airborne objects. A method and system comprising recording image data of an area of interest, wherein the image data comprises a plurality of concurrent images associated with at least two states...