, 2005Harris Robert D.Non-motorized treadmill exercise deviceUS20050014609 *Jul 15, 2003Jan 20, 2005Neff John D.Exercise device for under a deskUS20050054492 *Sep 25, 2004Mar 10, 2005Neff John D.Exercise device for under a deskUS20050255971 *May 14, 2004Nov 17, 2005Solomon Richard DVariable unweighting and resistance training and stretching apparatus for use with a cardiovascular or other exercise