|
| US4961236 | 2 Jan 1990 | 9 Oct 1990 | | Mattress position adjustment device |
| US5168591 | 17 Dec 1990 | 8 Dec 1992 | SSI Medical Services, Inc. | Method for patient elevation above a fluidized surface |
| US5606754 | 17 Jul 1995 | 4 Mar 1997 | SSI Medical Services, Inc. | Vibratory patient support system |
| US6098222 | 21 Feb 1997 | 8 Aug 2000 | Hill-Rom Company, Inc. | Vibratory patient support system |
| US6415814 | 7 Aug 2000 | 9 Jul 2002 | Hill-Rom Services, Inc. | Vibratory patient support system |
| US6820640 | 8 Jul 2002 | 23 Nov 2004 | Hill-Rom Services, Inc. | Vibratory patient support system |
| US7124456 | 11 Aug 2004 | 24 Oct 2006 | Stryker Corporation | Articulated support surface for a stretcher or gurney |