Assignee
JOHN DAVID
2 granted patents·1 pending application·12 citations·filing 2007–2016
Top patents by PatentIndex Score
3 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
- 0336US2016288975A1Bag, Especially Suitable for Dry, Flowable Materials, With Attached Carrying StrapJOHN DAVID·Filed 2016·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →