Assignee
GEORGE FRED
2 granted patents·72 citations·filing 2004–2005
Top patents by PatentIndex Score
2 records- 0189US7543759B2Multi-valve damper for controlling airflow and method for controlling airflowGEORGE FRED·Filed 2005·Granted Jun 9, 2009·42 cites·10 claims
- 0275US6991177B2Multi-valve damper for controlling airflow and method for controlling airflowGEORGE FRED·Filed 2004·Granted Jan 31, 2006·30 cites·42 claims
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