Inventor · disambiguated record
David John
Also filed as: JOHN DAVID · JOHN DAVID W · JOHN DAVID WOODROW
3 granted patents·2 pending applications·31 citations·filing 1997–2023
69Inventor score
Top patents by PatentIndex Score
5 records- 0170US9396711B2Musical instrument valve systemJOHN DAVID·Filed 2015·Granted Jul 19, 2016·3 cites·20 claims
- 0269US7560631B1Brass-wind musical instrument mouthpieceJOHN DAVID·Filed 2007·Granted Jul 14, 2009·9 cites·7 claims
- 0348US2024245203A1Backpack seatJOHN DAVID WOODROW·Filed 2023·Application pending·0 cites
- 0446US6012357AInsulation stripping toolFiled 1997·Granted Jan 11, 2000·19 cites·1 claims
- 0536US2014196567A1The john deviceJOHN DAVID WOODROW·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →