ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,400,549, issued on Aug. 26, was assigned to Lockheed Martin Corp. (Bethesda, Md.).

"Helideck flight path system for indication of obstacles present in a landing zone" was invented by Roderick S. Duplin (Downington, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for a helideck approach path tool. One example system includes an electronic processor. The electronic processor is configured to determine a helideck identifier and retrieve, from a database storing data on a plurality of helidecks, helideck data corresponding to the helideck identifier. The helideck data includes a helideck azimuth and at least one obstacle characteristi...