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| US4285081 | 22 Oct 1979 | 25 Aug 1981 | | Device for recumbency of the head and neck |
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| US4964418 | 16 Feb 1988 | 23 Oct 1990 | | Collapsible cervical immobilization device |
| US5201761 | 12 Nov 1991 | 13 Apr 1993 | | Device and method for reducing lumbar lordosis while supine and supporting the lumbar curve when seated |
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| US5322326 | 6 Nov 1992 | 21 Jun 1994 | | Triggering mechanism for inflating an air bag |
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| US5567015 | 1 Mar 1995 | 22 Oct 1996 | | Inflatable headrest apparatus |
| US6033023 | 1 Jun 1998 | 7 Mar 2000 | | Headrest |
| US6665898 | 3 Dec 2001 | 23 Dec 2003 | | Device for correcting a sagging bed |
| US6786554 | 20 Aug 2003 | 7 Sep 2004 | Manouchehr Komeli | Device for supporting the head and neck of a passenger while a passenger is sleeping in a vehicle |
| US7168765 | 1 Oct 2004 | 30 Jan 2007 | Grammar AG | Vehicle seat |
| US7644990 | 2 May 2006 | 12 Jan 2010 | | Body support device for sleeping in a seated position |
| US7797773 | 27 May 2009 | 21 Sep 2010 | | Neck rest with attached head support |
