ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,959, issued on June 24.
"VTOL box-wing multirotor aerial vehicle" was invented by Xi Wang (Saint-Laurent, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A VTOL (vertical take-off and landing) box-wing aerial vehicle with multirotor to provide VTOL flight includes a detachable cabin, fuselage base, a pair of first wings extending outward from the upper portion of the fuselage and a pair of second wings extending outwardly and from the lower portion of the fuselage. The first and second wings are spaced apart longitudinally and vertically. The pylon joints the first wing and second wing at the tip to form the box-wing. The pylon includes headin...