Inventor · disambiguated record
David W. Duehren
Also filed as: DUEHREN DAVID · DUEHREN DAVID W
4 granted patents·1 pending application·370 citations·filing 1982–2014
83Inventor score
Top patents by PatentIndex Score
5 records- 0192US4918722AControl of electronic information deliveryBROOKTROUT TECH INC·Filed 1988·Granted Apr 17, 1990·173 cites·5 claims
- 0286US5291546AFax message systemBROOKTROUT TECH INC·Filed 1991·Granted Mar 1, 1994·95 cites·16 claims
- 0385US5488651AFax message systemBROOKTROUT TECH INC·Filed 1994·Granted Jan 30, 1996·84 cites·6 claims
- 0474US4584532ASwitched capacitor envelope detectorMOTOROLA INC·Filed 1982·Granted Apr 22, 1986·18 cites·9 claims
- 0542US2015281853A1Systems and methods for enhancing targeted audibilitySOUNDFEST INC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →