Inventor · disambiguated record
Dennis John Kohlhafer
Also filed as: KOHLHAFER DENNIS J · KOHLHAFER DENNIS JOHN
4 granted patents·95 citations·filing 2006–2016
79Inventor score
Top patents by PatentIndex Score
4 records- 0192US9390875B2Electromagnetic opposing field actuatorsACTIVE SIGNAL TECHNOLOGIES INC·Filed 2014·Granted Jul 12, 2016·18 cites·23 claims
- 0284US9947448B2Electromagnetic opposing field actuatorsACTIVE SIGNAL TECH INC·Filed 2016·Granted Apr 17, 2018·6 cites·19 claims
- 0384US8265291B2High sensitivity noise immune stethoscopeBRIDGER KEITH·Filed 2006·Granted Sep 11, 2012·53 cites·30 claims
- 0481US9078571B2High sensitivity noise immune stethoscopeBRIDGER KEITH·Filed 2012·Granted Jul 14, 2015·18 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →