Inventor · disambiguated record
Frederick R. Marken
Also filed as: MARKEN FREDERICK R
2 granted patents·1 pending application·8 citations·filing 2015–2015
52Inventor score
Files withMARKEN FREDERICK R3
Top patents by PatentIndex Score
3 records- 0154US9739588B1Book alignment device and methodMARKEN FREDERICK R·Filed 2015·Granted Aug 22, 2017·1 cites·20 claims
- 0245USD778695SRotary tillerMARKEN FREDERICK R·Filed 2015·Granted Feb 14, 2017·7 cites·1 claims
- 0324US2016309640A1Rotary tiller device with interchangeable torqueing apparatus and rotary shankMARKEN FREDERICK R·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →