Individual holder
HAGEN DOUGLAS W
US·3 granted patents·2 pending applications·12 citations·filing 2004–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0173US7699489B2In-grade light fixtureHAGEN DOUGLAS W·Filed 2006·Granted Apr 20, 2010·10 cites·11 claims
- 0256US7553042B2In-grade light fixtureHAGEN DOUGLAS W·Filed 2005·Granted Jun 30, 2009·2 cites·23 claims
- 0343USRE44196EAdjustable mount for sealed light systemsHAGEN DOUGLAS W·Filed 2004·Granted May 7, 2013·0 cites·30 claims
- 0442US2013088152A1Dimming apparatus for solid state lighting fixturesHAGEN DOUGLAS W·Filed 2012·Application pending·0 cites
- 0536US2005248951A1Slip-resistant apparatus and methodHAGEN DOUGLAS W·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →