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| Number | Title | Issue Date |
| D563542 | Vent intake | 03/04/2008 |
| D549815 | Air flow directing fixture for heating, air conditioning and ventilation devices | 08/28/2007 |
| D547432 | Air vent | 07/24/2007 |
| D527812 | Deflection register for air conditioning system device | 09/05/2006 |
| D524600 | Convection cover for cooking appliance | 07/11/2006 |
| D524435 | Air flow reducer disk | 07/04/2006 |
| D502990 | Airflow screen | 03/15/2005 |
| 4576331 | Booster fan and air deflector for floor vents A booster fan and deflector for placing over a forced air heating/air conditioning floor vent to deliver more cool air in warm weather and more warm air in cold weather. The booster fan and deflector comprises a low profile plastic housing adapted to sit ... | 03/18/1986 |
