|
| US5143524 | 20 Feb 1990 | 1 Sep 1992 | The Scott Fetzer Company | Electrostatic particle filtration |
| US5376168 | 5 Jun 1992 | 27 Dic 1994 | The L. D. Kichler Co. | Electrostatic particle filtration |
| US5405434 | 22 Sep 1993 | 11 Abr 1995 | The Scott Fetzer Company | Electrostatic particle filtration |
| US6874273 | 6 May 2004 | 5 Abr 2005 | | Portable window unit for killing insects |
| US6928768 | 19 Feb 2004 | 16 Ago 2005 | Hot Foot America LP | Deterrent strip for repelling birds and other pests |
| US7380369 | 8 Feb 2006 | 3 Jun 2008 | | Insect trap and method of use |
