ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,777, issued on Sept. 1, was assigned to Whisper Aero Inc. (Crossville, Tenn.).

"Exhaust area and flow turning control" was invented by Mark Douglass Moore (Crossville, Tenn.), Ian Andreas Villa (Nashville, Tenn.), Devon Jedamski (Nashville, Tenn.), Andrew Stephen Hahn (Yorktown, Va.), Aaron Timothy Perry (Franklin, Tenn.), Jonathan Jeffrey Paravano (Brentwood, Tenn.), Xiaofan Fei (Bellevue, Wash.) and Paul Rothhaar (Yorktown, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft may comprise ducted fans. The ducted fans may be an array of ducted fans. An array of ducted fans may be integrated in a wing of the aircraft. A ducted fan may be i...