|
| US4398375 | 24 Dic 1981 | 16 Ago 1983 | | High speed power sander and sanding pad therefor |
| US4974369 | 28 Jun 1990 | 4 Dic 1990 | | Two-dimensionally grooved sanding pad |
| US5012544 | 27 Sep 1989 | 7 May 1991 | | Multipurpose bathing wiper construction |
| US5410772 | 13 Jun 1994 | 2 May 1995 | | Floor washing mop |
| US5426809 | 3 Sep 1993 | 27 Jun 1995 | Kabushiki Kaisha Hoky | Wiping instrument |
| US5657507 | 23 Sep 1996 | 19 Ago 1997 | | Windshield cleaning tool |
| US6317917 | 10 Dic 1999 | 20 Nov 2001 | | Structure paper mop board facing |
| US6854153 | 3 Sep 2003 | 15 Feb 2005 | | Computer keyboard cleaner |
| US7127772 | 4 Nov 2002 | 31 Oct 2006 | Carl Freudenberg KG | Wiper plate for a cleaning implement |
