ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,887, issued on March 24, was assigned to Shock Force Trainer LLC (Boca Raton, Fla.).
"Swing exercise machine" was invented by Lawrence M Lahnan (Aurora, Ohio) and L Christopher Verna (Boca Raton, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exercise machine for developing the speed of the swing of an item of sports equipment in which the resistance to movement of the sports equipment is separate from the control of the path of movement of the item of sports equipment and is continuously as contrasted with step-wise variable. The resistance may be adjusted with one hand independently of the position or movement of the item, and specialized...