Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492517 | Exercise device | Alan Doop, Michael E. Heutmaker | 1996-02-20 |
| D360915 | Exercise treadmill | Alan Doop, Michael E. Heutmaker, Stephen S. Peterson | 1995-08-01 |
| 5429563 | Combination exercise apparatus | Timothy S. Engel, Stephen S. Peterson | 1995-07-04 |
| 5387168 | Stabilizing belt for cross-country skiing exercise apparatus | — | 1995-02-07 |
| D353422 | Recumbent exercise bicycle | Lyle R. Hilk, Edward R. Holden, John P. Todd | 1994-12-13 |
| 5344376 | Exercise apparatus with turntable and pivoting poles | John S. Dreibelbis, Pat J. Novak | 1994-09-06 |
| D349931 | Physical exerciser | John S. Dreibelbis | 1994-08-23 |
| D342106 | Exercise chair | Frank W. Campbell, Timothy S. Engel | 1993-12-07 |
| D337666 | Executive-style desk chair for strength training | Stephen S. Peterson, Timothy S. Engel | 1993-07-27 |
| 5226866 | Trimodal exercise apparatus | Timothy S. Engel, Stephen S. Peterson | 1993-07-13 |
| D335905 | Cross-country ski simulator exerciser | Weston L. Cutter, Timothy S. Engel | 1993-05-25 |