ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,700, issued on Sept. 29, was assigned to General Electric Co. (Evendale, Ohio).

"Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes" was invented by Brandon Wayne Miller (Evendale, Ohio), Egbert Geertsema (Evendale, Ohio), Arthur W. Sibbach (Boxford, Mass.), Andrew Hudecki (Evendale, Ohio), Timothy Richard DePuy (Evendale, Ohio), John C. Schilling (Evendale, Ohio), Frank Worthoff (Evendale, Ohio) and Tsuguji Nakano (Evendale, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine comprises a fan assembly, a core engine coupled to the fan assembly, a fan case housing the fan assembly and the core engi...