ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,616, issued on July 15.
"Compound vertical takeoff and landing aircraft" was invented by Johnny Tseng-Pei Doo (Faihope, Ala.), William Doo (Fairhope, Ala.) and Tseng-Hua Tsiang (Solana Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compound vertical takeoff and landing aircraft includes a fuselage with a modular payload configuration for passenger, cargo, or medical transport functions; contra-rotating main rotors mounted on an upper side of the fuselage and driven by at least one motor; and a plurality of tiltable thrusters mounted respectively at a forward section and at an aft section of the fuselage, each tiltable thruster being ...