|
| US4024597 | 6 Jul 1976 | 24 May 1977 | The Raymond Lee Organization, Inc. | Simultaneous floor edge and baseboard cleaner |
| US4198727 | 14 Dic 1978 | 22 Abr 1980 | | Baseboard dusters for vacuum cleaners |
| US4542549 | 15 Ago 1983 | 24 Sep 1985 | | Swimming pool cleaning device |
| US5261139 | 23 Nov 1992 | 16 Nov 1993 | | Raised baseboard brush for powered floor sweeper |
| US5371912 | 27 Sep 1993 | 13 Dic 1994 | | Floor and baseboard cleaning machine |
| US5381578 | 9 Dic 1992 | 17 Ene 1995 | | Polisher with rectangular pad and handle assembly |
| US6026529 | 18 Ago 1997 | 22 Feb 2000 | | Automated rotary mopping, waxing, and light sweeping systems |
| US6247202 | 4 Jun 1999 | 19 Jun 2001 | The Hoover Company | Carpet extractor fluid supply system |
| US6266838 | 22 Feb 2000 | 31 Jul 2001 | | Automated rotary mopping, waxing, and light sweeping systems |
| US6421862 | 25 Abr 2001 | 23 Jul 2002 | The Hoover Company | Carpet extractor fluid supply system |
| US6421874 | 18 May 2000 | 23 Jul 2002 | Matsushita Electric Corporation of America | Pivotal edge cleaning brushes for vacuum cleaner |
| US7114214 | 2 Ago 2004 | 3 Oct 2006 | | Baseboard brush |
| US7313842 | 16 Dic 2004 | 1 Ene 2008 | | Shoe-mounted umpire's brush unit |
| US7497522 | 2 Nov 2006 | 3 Mar 2009 | | Pavement saw with self-leveling operator handle and depth control system |
| US7624473 | 7 Ene 2004 | 1 Dic 2009 | The Hoover Company | Adjustable flow rate valve for a cleaning apparatus |
| US8146194 | 7 Abr 2008 | 3 Abr 2012 | | Buffing apparatus |