|
| US4937910 | 30 Nov 1988 | 3 Jul 1990 | | White board eraser |
| US5343587 | 17 Jun 1993 | 6 Sep 1994 | | Mop construction including detachable fabric cleaning element |
| US6298517 | 12 Jun 1998 | 9 Oct 2001 | | Cleaning tool with removable cleaning sheets |
| US6367115 | 25 Sep 2000 | 9 Abr 2002 | | White board eraser |
| US6405403 | 12 Jun 2000 | 18 Jun 2002 | | Cleaning tool with removable cleaning sheets |
| US6810554 | 16 Nov 2001 | 2 Nov 2004 | Rapid Brands Corporation | Cleaning tool with removable cleaning sheets |
| US7028364 | 4 Nov 2003 | 18 Abr 2006 | The Procter & Gamble Company | Cleaning pads |
| US7097629 | 2 May 2003 | 29 Ago 2006 | Illinois Tool Works Inc. | Multi-layered sealed swab |
| US7350257 | 9 Ago 2003 | 1 Abr 2008 | Rapid Brands Corporation | Cleaning tool with removable cleaning sheets |
| USD367136 | 15 Nov 1994 | 13 Feb 1996 | Vining Industries, Inc. | Mop head |
