ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,443, issued on Feb. 3, was assigned to Life Fitness LLC (Rosemont, Ill.).

"Exercise machines for weight training" was invented by Jeremy L. Fink (Anoka, Minn.) and John R. Lindemeier (Oak Grove, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exercise machine comprising a resistance mechanism, a supporting frame, and a movable member which is movable relative to the supporting frame into and between a rest position and an extended position during performance of an exercise motion by a user. Movement of the movable member towards the extended position is resisted by the resistance mechanism. A stop device stops the movable member in the rest p...