ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,684, issued on March 17, was assigned to TUSAS-TURK HAVACILIK VE UZAY SANAYII A.S. (Ankara, Turkey).

"Absorbing structure" was invented by Nursev Erdogan (Ankara, Turkey), Nail Bugra Kilic (Ankara, Turkey), Aziz Taner Astarlioglu (Ankara, Turkey) and Busra Rakop (Ankara, Turkey).

According to the abstract* released by the U.S. Patent & Trademark Office: "An absorbing structure has a body provided on air vehicles. At least one transition metal alloy is located on the body that consists of two-dimensional inorganic compounds formed by bonding a plurality of carbon atoms and a plurality of nitrogen atoms. A plurality of layers contain the transition metal alloy. At least one barrie...