ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,136, issued on Oct. 21, was assigned to TEXTRON INNOVATIONS INC. (Providence, R.I.).

"Two-piece engine collar" was invented by Natalie Ann Petrick (Wichita, Kan.) and Nelson Albert Pratt (Wichita, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An engine collar, aircraft, and method of installing an engine in an aircraft are provided. The engine collar includes a first engine collar piece, including a first portion of a ring, a second engine collar piece, including a second portion of a ring, and a plurality of splice plates joining the first engine collar piece to the second engine collar piece; where each of the first engine collar piece and t...