Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829864 | Threshold protective cover with hinge | John R. Mitchell | 2004-12-14 |
| 5741205 | Exercise apparatus pedal mechanism | James Doll, Michael Niemotka, Steven M. Lenz, Mark C. Termion | 1998-04-21 |
| 5403252 | Exercise apparatus and method for simulating hill climbing | Tomas Leon, Robert Lyle Hood, Robert Quast, Emil Golen | 1995-04-04 |
| 5238462 | Stair climbing exercise apparatus utilizing drive belts | Steven J. Cinke, Michael Kenneth Platt | 1993-08-24 |
| 5135447 | Exercise apparatus for simulating stair climbing | Chester F. Robards, Jr., Steven J. Cinke, Stephen A. Waltasti, Robert Kohan, Donald J. Alexander +2 more | 1992-08-04 |