|
| US4076091 | 30. März 1976 | 28. Febr. 1978 | Chair-E-Yacht, Inc. | Self-propelled vehicle |
| US4141566 | 11. Mai 1977 | 27. Febr. 1979 | David M. Benes
Allan L. Gates | Wheelchair supporting sled |
| US4155587 | 25. Okt. 1977 | 22. Mai 1979 | | Movable automobile seat |
| US4351562 | 17. Juli 1980 | 28. Sept. 1982 | | Movable seat for a motorized transport chair |
| US4354791 | 29. Juni 1979 | 19. Okt. 1982 | | Wheelchair construction |
| US4375840 | 23. Sept. 1981 | 8. März 1983 | | Mobile support |
| US4403673 | 6. Jan. 1981 | 13. Sept. 1983 | | Powered vehicle |
| US4431076 | 24. Juni 1981 | 14. Febr. 1984 | | Adjustable collapsible wheelchair |
| US4457663 | 18. März 1981 | 3. Juli 1984 | Gowrings Ltd. | Vehicle entry system for invalids and a wheel chair suitable for use with the entry system |
| US4520893 | 7. Jan. 1983 | 4. Juni 1985 | | Electric cart station |
| US5078357 | 16. Okt. 1990 | 7. Jan. 1992 | Medical Resource Companies of America | Electric seat lift |
| US5112076 | 23. Febr. 1990 | 12. Mai 1992 | | Wheelchair with removable seat |
| US5201377 | 8. Nov. 1991 | 13. Apr. 1993 | Love Lift, L.P. | Wheelchair with sidewardly swingable seat |
| US5209322 | 1. Apr. 1991 | 11. Mai 1993 | | Elevated wheelchair device |
| US5255934 | 23. Aug. 1991 | 26. Okt. 1993 | Love Lift, L.P. | Wheelchair seat convertible to toilet seat |
| US5862874 | 19. Juni 1997 | 26. Jan. 1999 | University of Pittsburgh | Steering mechanism for short wheelbased four-wheeled vehicles |
| US6386614 | 11. Juni 2001 | 14. Mai 2002 | | Wheelchair system |
| US6611975 | 23. Febr. 2001 | 2. Sept. 2003 | | Motorized bed assembly |
| US6902178 | 28. Apr. 2003 | 7. Juni 2005 | O-Matic Corp. | Transport chair for a patient |
| US7040641 | 20. Dez. 2004 | 9. Mai 2006 | | Transport chair for a patient |
| US7641209 | 12. Apr. 2004 | 5. Jan. 2010 | | Vehicle conversion assembly and method of converting a vehicle |
| US7854437 | 31. Dez. 2008 | 21. Dez. 2010 | | Vehicle conversion assembly and method of converting a vehicle |
| US8240410 | 24. Apr. 2009 | 14. Aug. 2012 | Hill-Rom Services, Inc. | Patient support apparatus with powered wheel |
