ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,123, issued on Oct. 21, was assigned to Joby Aero Inc. (Santa Cruz, Calif.).

"Electric tiltrotor aircraft" was invented by JoeBen Bevirt (Santa Cruz, Calif.), Edward Stilson (Santa Cruz, Calif.), Alex Stoll (Santa Cruz, Calif.) and Gregor Veble Mikic (Santa Cruz, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft including an airframe and a plurality of propulsion assemblies coupled to the airframe, wherein each propulsion assembly includes an electric motor, a propeller coupled to the electric motor, and a tilt mechanism that connects the propulsion assembly to the airframe and transforms the propulsion assembly between a forward con...