Assignee
ROBINSON DAVID JOHN MICHAEL
GB·3 granted patents·1 pending application·1 citations·filing 2005–2012
Top patents by PatentIndex Score
4 records- 0166US8160423B2Audio copy protection systemROBINSON DAVID JOHN MICHAEL·Filed 2005·Granted Apr 17, 2012·1 cites·45 claims
- 0254US9479829B2Copy protection systemROBINSON DAVID JOHN MICHAEL·Filed 2012·Granted Oct 25, 2016·0 cites·31 claims
- 0351US8639092B2Audio copy protection systemROBINSON DAVID JOHN MICHAEL·Filed 2012·Granted Jan 28, 2014·0 cites·18 claims
- 0451US2014245344A1Copy protection systemROBINSON DAVID JOHN MICHAEL·Filed 2011·Application pending·0 cites
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