|
| US4323063 | 21 Apr 1980 | 6 Apr 1982 | | Medical face mask |
| US4966168 | 31 Jul 1989 | 30 Oct 1990 | | Ophthalmic drape with built-in mini-mask |
| US5704349 | 21 Oct 1994 | 6 Jan 1998 | Tecnol Medical Products, Inc. | Surgical face mask with darkened glare-reducing strip and visor |
| US6070587 | 1 Oct 1997 | 6 Jun 2000 | 3M Innovative Properties Company | One-piece opthalmic drape and methods |
| US6105579 | 29 Sep 1998 | 22 Aug 2000 | 3M Innovative Properties Company | Ophthalmic drape with tear line and method |
| US6286511 | 31 Mar 2000 | 11 Sep 2001 | 3M Innovative Properties Company | Ophthalmic drape with tear line and method |
| US6394090 | 17 Feb 1999 | 28 May 2002 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
| US6405730 | 2 Aug 2001 | 18 Jun 2002 | 3M Innovative Properties Company | Ophthalmic drape with tear line and method |
| US6868852 | 2 Apr 2001 | 22 Mar 2005 | | Cold weather breathing apparatus |
| US7832395 | 8 Mar 2007 | 16 Nov 2010 | Oxygen Plus, Inc. | Portable oxygen delivery apparatus |
| US8029723 | 17 Jul 2007 | 4 Oct 2011 | 3M Innovative Properties Company | Method for making shaped filtration articles |
| USD449377 | 9 May 2000 | 16 Oct 2001 | 3M Innovative Properties Company | Tabs on a personal respiratory protection device |
