|
| US4819622 | 6 Jul 1987 | 11 Abr 1989 | | Orthopedic cervical support collar and method of making the same |
| US5060637 | 12 Ene 1988 | 29 Oct 1991 | Ferno-Washington, Inc. | Disposable cervical collar |
| US5520619 | 22 Feb 1994 | 28 May 1996 | Ambu International A/S | Adjustable cervical collar |
| US5588957 | 15 Ago 1995 | 31 Dic 1996 | Ambu International A/S | Cervical collar |
| US5728054 | 24 May 1996 | 17 Mar 1998 | Ambu International A/S | Adjustable cervical collar |
| US5785670 | 3 Sep 1997 | 28 Jul 1998 | | Adjustable cervical collar |
| US5788658 | 31 Ene 1997 | 4 Ago 1998 | | Field adjustable extrication collar |
| US5797863 | 29 Nov 1996 | 25 Ago 1998 | Ambu International A/S | Collapsible cervical collar |
| US5904662 | 10 Abr 1995 | 18 May 1999 | | Cervical collar |
| US5993403 | 13 Mar 1998 | 30 Nov 1999 | Ambu International A/S | Adjustable cervical collar |
| US6036664 | 7 Jun 1995 | 14 Mar 2000 | Ambu International A/S | Automatic adjustable cervical collar |
| US6056711 | 26 Jun 1997 | 2 May 2000 | Beiersdorf, Inc. | Adjustable cervical collar |
| US6090058 | 30 Dic 1997 | 18 Jul 2000 | Laerdal Medical Corporation | Multiple-size cervical collar |
| US6245033 | 29 Nov 1999 | 12 Jun 2001 | Ambu International A/S | Adjustable cervical collar |
| US6726643 | 13 Mar 2000 | 27 Abr 2004 | Ambu International A/S | Automatic adjustable cervical collar |
| US6991612 | 16 Jun 2004 | 31 Ene 2006 | The Seaberg Company, Inc. | Orthopedic splints |
| US7329229 | 30 Ene 2006 | 12 Feb 2008 | The Seaberg Company, Inc. | Orthopedic splints |
| US8142380 | 6 Jul 2007 | 27 Mar 2012 | Hasegawa Corporation | Folding cervical vertebra protective band |
| USD393718 | 23 Dic 1996 | 21 Abr 1998 | Laerdal Medical Corporation | Cervical collar |
| USRE36745 | 13 Ene 1999 | 20 Jun 2000 | Ambu Inc. | Extrication cervical collar with adjustable supports |