Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511740 | Resistance mechanism for exercise equipment | Craig A. Loubert, Stephen A. Rose | 1996-04-30 |
| D360915 | Exercise treadmill | James R. Bostic, Alan Doop, Michael E. Heutmaker | 1995-08-01 |
| 5429563 | Combination exercise apparatus | Timothy S. Engel, James R. Bostic | 1995-07-04 |
| D351435 | Cross-country ski simulaor exerciser | Timothy S. Engel | 1994-10-11 |
| 5302161 | Flexible line guidance and tension measuring device | Craig A. Loubert, Timothy S. Engel | 1994-04-12 |
| D337666 | Executive-style desk chair for strength training | Timothy S. Engel, James R. Bostic | 1993-07-27 |
| 5226866 | Trimodal exercise apparatus | Timothy S. Engel, James R. Bostic | 1993-07-13 |
| D336498 | Back therapy apparatus | Timothy S. Engel, Dennis Colonello, Weston L. Cutter | 1993-06-15 |
| 5217487 | Back therapy system | Timothy S. Engel, Dennis Colonello, Weston L. Cutter | 1993-06-08 |
| 5195937 | Multi-exercise apparatus | Timothy S. Engel, Frank W. Campbell, Craig A. Loubert, Edward R. Holden | 1993-03-23 |
| 5072929 | Dual resistance exercise rowing machine | Harold C. Blawd, Michael E. Heutmaker, Timothy S. Engel, Robert A. Iverson | 1991-12-17 |