ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,140, issued on Sept. 23, was assigned to Life Fitness LLC (Rosemont, Ill.).
"Exercise apparatuses for leg strengthening" was invented by Evan Schraut (Anoka, Minn.), J P Stockton (Red Wing, Minn.) and Adam D. Keskey (Buffalo, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exercise apparatus for leg strengthening has a frame, a knee support for supporting a knee of a user relative to the frame, a leg brace for bracing a lower leg of the user relative to the frame, and a linkage assembly facilitating performance of a hamstring curl exercise motion wherein a chest of the user is lowered and then raised relative to the frame. The linkage assem...