|
| US4093037 | 10. Mai 1976 | 6. Juni 1978 | | Head actuated control apparatus for battery-powered wheelchair |
| US4101143 | 3. Jan. 1977 | 18. Juli 1978 | American Safety Equipment Corporation | Wheelchairs |
| US4119163 | 3. Okt. 1977 | 10. Okt. 1978 | | Curb climbing wheel chair |
| US4170368 | 21. Nov. 1977 | 9. Okt. 1979 | Southward Engineering Co. Limited | Transportation of disabled or invalided persons |
| US4949408 | 29. Sept. 1989 | 21. Aug. 1990 | | All purpose wheelchair |
| US4989890 | 14. Dez. 1988 | 5. Febr. 1991 | Invacare Corporation | Length and width adjustable wheelchair |
| US5094310 | 29. Nov. 1990 | 10. März 1992 | Invacare Corporation | Powered wheelchair having transversely mounted drive mechanism |
| US5134737 | 7. Mai 1990 | 4. Aug. 1992 | Freedom Corporation | Patient bed system |
| US5862874 | 19. Juni 1997 | 26. Jan. 1999 | University of Pittsburgh | Steering mechanism for short wheelbased four-wheeled vehicles |
| US6375209 | 6. Okt. 1998 | 23. Apr. 2002 | Kurt Manufacturing Company | Powered wheelchair |
| US6378883 | 11. Jan. 2000 | 30. Apr. 2002 | | Motorized walker/wheelchair and method |
| US6443252 | 10. Aug. 2000 | 3. Sept. 2002 | | Passenger standing platform on a powered wheelchair |
| US6611975 | 23. Febr. 2001 | 2. Sept. 2003 | | Motorized bed assembly |
| US7735591 | 18. Sept. 2007 | 15. Juni 2010 | Pride Mobility Products Corporation | Powered wheelchair having an articulating beam and related methods of use |
| US7766106 | 14. Juli 2006 | 3. Aug. 2010 | Pride Mobility Products Corporation | Powered wheelchair configurations and related methods of use |
| US8037953 | 17. Okt. 2006 | 18. Okt. 2011 | Pride Mobility Products Corporation | Powered wheelchair having a side-access battery compartment |
| USD413554 | 28. Sept. 1998 | 7. Sept. 1999 | Kurt Manufacturing Company | Powered wheelchair |
