|
| US5077855 | 5 Jun 1990 | 7 Ene 1992 | | Motor-driven toothbrush |
| US5189751 | 21 Mar 1991 | 2 Mar 1993 | Gemtech, Inc. | Vibrating toothbrush using a magnetic driver |
| US5263218 | 25 Feb 1993 | 23 Nov 1993 | GEMtech | Vibrating toothbrush using a magnetic driver |
| US5613259 | 18 Abr 1996 | 25 Mar 1997 | Teledyne Industries, Inc. | High frequency electric toothbrush |
| US5862559 | 11 Sep 1997 | 26 Ene 1999 | | Toothbrush for interproximal and periodontal pocket cleaning |
| US6821119 | 12 Jul 2002 | 23 Nov 2004 | Water Pik, Inc. | Dual motor oral hygiene device |
| US6920659 | 12 Ene 2002 | 26 Jul 2005 | Water Pik, Inc. | Toothbrush |
| US6955539 | 10 Ene 2003 | 18 Oct 2005 | Water Pik, Inc. | Characterization of motion of dual motor oral hygiene device |
| US7198487 | 31 Dic 2003 | 3 Abr 2007 | Water Pik, Inc. | Whitening tip for dental flossing device |
| US7434286 | 26 Feb 2003 | 14 Oct 2008 | Colgate-Palmolive Company | Powered toothbrush with improved ergonomics |
| US7757384 | 17 Ene 2006 | 20 Jul 2010 | | Apparatus for forming a hermetic seal about a cable extending from a waterproof pouch |
| US7861350 | 11 Dic 2009 | 4 Ene 2011 | The Procter & Gamble Company | Multi-motion toothbrush |
| USD484311 | 12 Ene 2001 | 30 Dic 2003 | Water Pik, Inc. | Disposable toothbrush |
| USD487349 | 1 Feb 2002 | 9 Mar 2004 | Water Pik, Inc. | Dental device |
| USD500599 | 31 Dic 2002 | 11 Ene 2005 | Water Pik, Inc. | Toothbrush handle |