|
| US4688792 | 5. Juni 1986 | 25. Aug. 1987 | | Training and exercising machine for football and wrestling |
| US5160303 | 2. Apr. 1991 | 3. Nov. 1992 | | Elastic resistance exercise device having resistance element retaining structure |
| US5320591 | 1. Apr. 1993 | 14. Juni 1994 | | Versatile exercise apparatus |
| US5322492 | 4. Okt. 1993 | 21. Juni 1994 | | Exercise apparatus |
| US5336148 | 19. Febr. 1992 | 9. Aug. 1994 | Vectra Fitness, Inc. | Machine for performing press exercises |
| US5346448 | 4. Mai 1993 | 13. Sept. 1994 | | Free weight lifting system |
| US5913749 | 7. Juni 1995 | 22. Juni 1999 | | Adaptable range-of-motion exercise apparatus |
| US6416447 | 21. Juni 1999 | 9. Juli 2002 | | Adaptable range-of-motion exercise apparatus |
| US7192391 | 7. Okt. 2004 | 20. März 2007 | Kellion Corporation | Variable spring resistance assembly and method |
| US7445586 | 10. Apr. 2006 | 4. Nov. 2008 | | Combination chair and leg extension apparatus for obesity prophylaxis |
| US7537554 | 29. Dez. 2006 | 26. Mai 2009 | | Multi-functional personal fitness apparatus |
| US7553262 | 12. Nov. 2004 | 30. Juni 2009 | BVP Holding, Inc. | Exercise apparatus using weights and springs for high-speed training |
| US7874971 | 25. März 2009 | 25. Jan. 2011 | GRAA Innovations, LLC | Calf extension training device |
| US8197393 | 24. März 2008 | 12. Juni 2012 | Isopulse, Inc. | Adaptable bi-directional range-of-motion exercise apparatus providing repose configuration |
