Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6851685 | Hand truck with retracting load shifting lever | — | 2005-02-08 |
| 6641510 | Spring assisted spotter pins for a weight lifting power rack | — | 2003-11-04 |
| 6468188 | Exercise apparatus for gluteus and hamstring muscles | — | 2002-10-22 |
| 6454285 | Ergonomic wheelchair with patient lifting mechanism | — | 2002-09-24 |
| 6375237 | Ergonomics grasping tool | — | 2002-04-23 |
| 6361481 | Weight lifting simulator | — | 2002-03-26 |
| 6358189 | Exercise apparatus for upper extremities | — | 2002-03-19 |
| 6312365 | Exercise apparatus for leg muscles | — | 2001-11-06 |
| 6237925 | Hand truck having ground engaging lever for tilting | — | 2001-05-29 |
| 6179757 | Exercise machine for upper extremities | — | 2001-01-30 |
| 6019711 | Leg extension exerciser | — | 2000-02-01 |
| 5957817 | Rowing exercise apparatus for use while standing | Lyle Hyke | 1999-09-28 |
| 5897473 | Exercise apparatus for lower extremities | — | 1999-04-27 |
| 5702329 | Exercise apparatus | — | 1997-12-30 |
| 5529558 | Exercise apparatus | — | 1996-06-25 |