ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,197, issued on Jan. 27, was assigned to Textron Innovations Inc. (Providence, R.I.).

"Electric tiltrotor aircraft" was invented by Brent C. Ross (Flower Mound, Texas), Kirk L. Groninga (Keller, Texas), Steven R. Ivans (Ponder, Texas) and Jason Paul Hurst (Fort Worth, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments include an aircraft comprising a fuselage; a wing connected to the fuselage; and first and second propulsion systems connected to the wing on opposite sides of the fuselage, wherein at least a portion of each of the first and second propulsion systems and at least a portion of the wing are tiltable between a first position...