|
| US5479944 | 14 May 1991 | 2 Jan 1996 | Patent Development & Investment S.A. | Nasal devices |
| US5546929 | 7 Jul 1995 | 20 Aug 1996 | | Nasal dilator |
| US5553605 | 31 Aug 1995 | 10 Sep 1996 | | Transparent external nasal dilator |
| US5611334 | 28 Dec 1995 | 18 Mar 1997 | | Nose dilator device |
| US5718224 | 16 Aug 1996 | 17 Feb 1998 | | Transparent nasal dilator |
| US6058931 | 22 Dec 1997 | 9 May 2000 | Acutek International | Nasal dilator |
| US6098616 | 13 Mar 1998 | 8 Aug 2000 | Acutek International
Schering-Plough Healthcare Products Inc. | Non-linear nasal dilator |
| US6971388 | 21 Mar 2005 | 6 Dec 2005 | Santa Barbara Medco, Inc. | Internal nasal dilator filter |
| US7156099 | 28 Oct 2004 | 2 Jan 2007 | | Nostril filtering system |
| USD380264 | 29 Jul 1994 | 24 Jun 1997 | Patent Development and Investment S.A. | Nasal dilator |
| USRE35408 | 28 Mar 1996 | 24 Dec 1996 | Patent Development & Investment S.A. | Nasal devices |
