ALEXANDRIA, Va., Feb. 7 -- United States Patent no. 11,890,728, issued on Feb. 6, was assigned to NEXTGEN AEROSPACE TECHNOLOGIES LLC (Troy, Ohio).

"Concentrated longitudinal acoustical/ultrasonic energy fastener design and manipulation system" was invented by Gary Lee Ward (Pleasant Hill, Ohio), David Scott Diwinsky (West Chester, Ohio), David Joseph Stone (Dayton, Ohio), Marc Alan Metz (Enon, Ohio) and Tom Lawrence Clutter (Tipp City, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method and fastening tool that utilizes ultrasonic or acoustic energy and a horn that focuses the energy into the fastener at a predetermined location in order to facilitate tightening or loosening the fastener."...