Inventor · disambiguated record
David E. Seffens
Also filed as: SEFFENS DAVID E
3 granted patents·1 pending application·37 citations·filing 1980–2006
70Inventor score
Top patents by PatentIndex Score
4 records- 0160US4823851AInfeed table for lumber planer machineH W CULP LUMBER CO·Filed 1988·Granted Apr 25, 1989·24 cites·9 claims
- 0243US6811022B2Log transport systemADVANCED SAWMILL MACHINERY INC·Filed 2002·Granted Nov 2, 2004·7 cites·30 claims
- 0339US2009173411A1Flitch planerTROST JUERGEN F·Filed 2006·Application pending·0 cites
- 0429US4298043ALog transport systemJACK FLANDERS CO H·Filed 1980·Granted Nov 3, 1981·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →