|
| US5114214 | 21 Aug 1990 | 19 May 1992 | | Process for producing tooth brushes and blanks for use for same |
| US5398367 | 27 Dec 1993 | 21 Mar 1995 | | Toothbrush with both soft and hard bristles |
| US5419001 | 29 Mar 1994 | 30 May 1995 | | Toothbrush |
| US5491865 | 29 Jul 1994 | 20 Feb 1996 | L'Oreal | Brush for the application of nail varnish or a similar product |
| US5799353 | 27 Nov 1996 | 1 Sep 1998 | Sunstar Inc. | Toothbrush |
| US5836033 | 17 Jun 1996 | 17 Nov 1998 | | Toothbrush for brushing teeth and massaging gums |
| US6086373 | 10 Nov 1998 | 11 Jul 2000 | | Method of cleaning teeth with a toothbrush with improved cleaning and abrasion efficiency |
| US6096151 | 5 Jun 1998 | 1 Aug 2000 | E. I. du Pont de Nemours and Company | Method and apparatus for making articles having bristles |
| US6138314 | 24 Jul 1997 | 31 Oct 2000 | WhiteHill Oral Technologies, Inc. | Toothbrush with improved cleaning and abrasion efficiency |
| US6269514 | 5 Jun 1998 | 7 Aug 2001 | | Monofilament bristle assemblies and methods of making brushes using same |
| US6351868 | 6 Dec 1999 | 5 Mar 2002 | E.I. duPont de Nemours & Company | Bristle sub-assemblies having parallel pairs of bristles; and methods |
| US6434778 | 28 Nov 2000 | 20 Aug 2002 | E. I. du Pont de Nemours and Company | Monofilament bristle assemblies and methods of making brushes using same |
| US6543083 | 22 May 2000 | 8 Apr 2003 | E. I. du Pont de Nemours & Co. | Bristles having varying stiffness |
| US6851153 | 29 May 2002 | 8 Feb 2005 | James P. Lehman | Toothbrush |
| USD346276 | 8 Mar 1991 | 26 Apr 1994 | Colgate-Palmolive Company | Toothbrush handle |
| USD346277 | 8 Mar 1991 | 26 Apr 1994 | Colgate-Palmolive Company | Toothbrush handle |
| USD365683 | 20 Mar 1995 | 2 Jan 1996 | | Toothbrush |