|
| US5265280 | 29 Apr 1992 | 30 Nov 1993 | | Facial screen with connecting elastic |
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| US5863312 | 31 Oct 1997 | 26 Jan 1999 | | Non-entraining filter |
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| US6123077 | 8 Mar 1996 | 26 Sep 2000 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
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| US6474336 | 20 Mar 2000 | 5 Nov 2002 | | Mini pleated face mask |
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| US6536434 | 14 Aug 2000 | 25 Mar 2003 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
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| US6722366 | 25 Mar 2003 | 20 Apr 2004 | 3M Innovative Properties Company | Method of making a flat-folded personal respiratory protection device |
| US6886563 | 11 Mar 2004 | 3 May 2005 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
| US7069930 | 28 Feb 2005 | 4 Jul 2006 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
| US7086401 | 10 Feb 2004 | 8 Aug 2006 | Megatech Scientific Pte Ltd. | Respiratory mask with inserted spacer |
| US8029723 | 17 Jul 2007 | 4 Oct 2011 | 3M Innovative Properties Company | Method for making shaped filtration articles |
| US8146594 | 17 Dec 2009 | 3 Apr 2012 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices |
| USD382052 | 9 Jun 1995 | 5 Aug 1997 | | Face mask |
| USD423140 | 27 Jul 1998 | 18 Apr 2000 | Revlon Consumer Products Corporation | Pore cleansing strip |
| USD424688 | 7 Nov 1997 | 9 May 2000 | 3M Innovative Properties Company | Respiratory protection mask |
| USD431647 | 6 Sep 1996 | 3 Oct 2000 | 3M Innovative Properties Company | Personal respiratory protection device having an exhalation valve |
| USD440302 | 3 Apr 2000 | 10 Apr 2001 | | Face mask |
| USD449377 | 9 May 2000 | 16 Oct 2001 | 3M Innovative Properties Company | Tabs on a personal respiratory protection device |
| USD458364 | 5 May 1999 | 4 Jun 2002 | 3M Innovative Properties Company | Personal respiratory protection device that has left and right tabs |
| USD459471 | 5 May 1999 | 25 Jun 2002 | 3M Innovative Properties Company | Personal respiratory protection device that has a three panelled look |
| USD620104 | 25 Nov 1996 | 20 Jul 2010 | 3M Innovative Properties Company | Personal respiratory protection device |
