ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,468, issued on April 14, was assigned to AeroVironment Inc. (Arlington, Va.).

"Vertical take-off and landing (VTOL) winged air vehicle with complementary angled rotors" was invented by Henry Thome Won (Simi Valley, Calif.) and Quentin Lindsey (Canoga Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices, and methods for an aircraft having a fuselage; a wing extending from both sides of the fuselage; a first pair of motors disposed at a first end of the wing; and a second pair of motors disposed at a second end of the wing; where each motor is angled to provide a component of thrust by a propeller attached thereto that for a d...