Assignee
DERKS IRVIN LEE
US·3 granted patents·51 citations·filing 2005–2010
Top patents by PatentIndex Score
3 records- 0184US8336672B2Air treatment and sound reduction systemDERKS IRVIN LEE·Filed 2006·Granted Dec 25, 2012·27 cites·7 claims
- 0281US8540557B1Wall curb for air treatment systemDERKS IRVIN LEE·Filed 2005·Granted Sep 24, 2013·19 cites·12 claims
- 0365US9004995B1Wall curb for air treatment systemDERKS IRVIN LEE·Filed 2010·Granted Apr 14, 2015·5 cites·2 claims
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