Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D679796 | Vent cover | — | 2013-04-09 |
| D629094 | Vent cover | — | 2010-12-14 |
| 7004832 | Collapsible air vent closure | — | 2006-02-28 |
| D495041 | Cover | — | 2004-08-24 |
| D463541 | Air filter | — | 2002-09-24 |
| 5897435 | Air vent device | Warren Chandler | 1999-04-27 |
| D391632 | Combined air vent cover and solar panel | — | 1998-03-03 |
| 5672101 | Solar operated vent cover | — | 1997-09-30 |
| D376007 | Air vent cover | — | 1996-11-26 |
| 5309972 | Air vent cover | — | 1994-05-10 |
| D330415 | Vent cap cover | — | 1992-10-20 |
| D320267 | Vent cap cover | — | 1991-09-24 |
| D289887 | Hammer | — | 1987-05-19 |