ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,540, issued on June 10, was assigned to PIPISTREL D.O.O. (Ajdovscina, Slovenia).

"Aircraft with multifunctional structure" was invented by Matej Andrejasic (Postojna, Slovenia), David Erzen (Ljubljana, Slovenia), Rok Lapuh (Ljubljana, Slovenia), Blaz Mocan (Ljubljana, Slovenia), Andres Znidar (Vrhnika, Slovenia), Tine Tomazic (Vrhnika, Slovenia), Jernej Drofelnik (Ljubljana, Slovenia) and Gregor Cretnik (Ljubljana, Slovenia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment aircraft boom includes a boom member, a vertical stabilizer, a rear landing gear, and a front landing gear. The boom member may extend in a first direction and have a f...