Inventor · disambiguated record
Richard Stillwell
Also filed as: STILLWELL RICHARD · STILLWELL RICHARD DOUGLAS
4 granted patents·1 pending application·1 citations·filing 2018–2021
56Inventor score
Files withDADDARIO & COMPANY INC5
Top patents by PatentIndex Score
5 records- 0162US10861425B1Rapid connect snare assemblyDADDARIO & COMPANY INC·Filed 2019·Granted Dec 8, 2020·1 cites·20 claims
- 0261US11854514B2Drumhead with reduced volumeDADDARIO & COMPANY INC·Filed 2020·Granted Dec 26, 2023·0 cites·21 claims
- 0356US11189255B2Film formed snare and reduced volume snare drumheadDADDARIO & COMPANY INC·Filed 2020·Granted Nov 30, 2021·0 cites·20 claims
- 0450US10360880B2Percussive instrument malletDADDARIO & COMPANY INC·Filed 2018·Granted Jul 23, 2019·0 cites·20 claims
- 0544US2022020345A1Drum Key With End HoleDADDARIO & COMPANY INC·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →