Inventor · disambiguated record
Michael Duff
Also filed as: DUFF MICHAEL · DUFF MICHAEL J
2 granted patents·1 pending application·43 citations·filing 2004–2022
56Inventor score
Top patents by PatentIndex Score
3 records- 0174US7417624B2Zero-force key activation keyboard with dynamic individual key illuminationDUFF MICHAEL J·Filed 2004·Granted Aug 26, 2008·43 cites·27 claims
- 0243US2022358514A1Sales attempt tracking in customer relationship management platformSTATE FARM MUTUAL AUTOMOBILE INSURANCE CO·Filed 2022·Application pending·0 cites
- 0332US9830892B1Frog for bow for stringed musical instrumentDUFF MICHAEL·Filed 2017·Granted Nov 28, 2017·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →