ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,296, issued on March 3, was assigned to BAE Systems Information and Electronic Systems Integration Inc. (Nashua, N.H.).
"Rapid replacement control fin for an underwater vehicle" was invented by Matthew D. Thoren (Pelham, N.H.) and John C. Cobb (Plymouth, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A replacement fin for an underwater vehicle includes a fin defining a socket that includes a bore of a first diameter and an internal spring recess of a larger diameter. A coil spring is retained in the spring recess and has coils of an elongated coil shape. The coil spring can occupy a first canted position in which the coils are canted in a dire...