Assignee
CAMPBELL CECIL E
US·2 granted patents·1 pending application·11 citations·filing 2008–2010
Top patents by PatentIndex Score
3 records- 0152US9084905B2Air filtration apparatus and methodCAMPBELL CECIL E·Filed 2010·Granted Jul 21, 2015·2 cites·12 claims
- 0245USD680215SAir filtration maskCAMPBELL CECIL E·Filed 2010·Granted Apr 16, 2013·9 cites·1 claims
- 0345US2010071699A1Air filtration apparatus and methodCAMPBELL CECIL E·Filed 2008·Application pending·0 cites
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