ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,778, issued on June 17.
"High-speed, vertical take-off and landing aircraft" was invented by Joseph John Andrews (Oakland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high-speed vertical take-off and landing aircraft has a lifting structure, a first rotor with a first and second blade, a second rotor with a first and second blade, an auxiliary propulsion unit for providing forward thrust, and a control system for controlling the pitch of each of the rotor blades. The aircraft has a first, rotor-only, flight mode for hovering and low speed maneuvering. It also has a second flight mode where the rotors are held in at fixed azimuth angles a...