ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,964, issued on Aug. 5, was assigned to AKTSIONERNOE OBSCHESTVO "ZENTORN" (Moscow).

"Magnus-effect aircraft and operating method thereof" was invented by Vladimir Alexandrovich Viyurkov (Moscow) and Roman Dmitrievich Lebedev (Belgorod, Russia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An unmanned aerial vehicle for vertical take-off and landing is disclosed. Cylinders installed along its perimeter are rotatable. The body has inlets leading to the gas intake and supply area, where centrifugal impellers are installed at the top and bottom to create a forced gas flow. At the outlet from the gas intake and supply area, and along the perimeter, indepen...