ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,440, issued on April 14, was assigned to TUSAS-TURK HAVACILIK VE UZAY SANAYII A.S. (Ankara, Turkey).

"Radar absorbing structure" was invented by Zeynep Ergonenc Yavas (Ankara, Turkey), Yahya Oz (Ankara, Turkey), Duygu Cevher (Ankara, Turkey) and Hasan Tore Silis (Ankara, Turkey).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radar absorbing structure has a body that forms an air and/or space vehicle. At least one aerodynamic surface is located on the body. At least one resistive layer is located on the at least one aerodynamic surface and allows substantial damping of electromagnetic waves on the at least one aerodynamic surface by means of the de...