ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,502, issued on July 21, was assigned to Textron Innovations Inc. (Providence, R.I.).

"Aircraft fuel tank with an electrical bond separate from a fuel tank fastener" was invented by Richard Andrew Olson (Derby, Kan.), Brent Clothier (Wichita, Kan.) and Bryan Edwards (Mulvane, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A aircraft fuel tank includes an inner layer having an inner surface and an outer surface; an outer layer having an inner surface and an outer surface, the inner surface of the outer layer and the outer surface of the inner layer aligning at an interface; a fastener extending through the inner layer and the outer layer to hold ...