Assignee
VAN DOORN JAN MARINUS
NL·2 granted patents·7 citations·filing 2012–2012
Technology mixH04R2
Top patents by PatentIndex Score
2 records- 0173US9906880B2Listening support device, in particular a hearing aid, and a compressible case for application therewithVAN DOORN JAN MARINUS·Filed 2012·Granted Feb 27, 2018·6 cites·10 claims
- 0251US9143871B2Micro converter, audio device and hearing aidVAN DOORN JAN MARINUS·Filed 2012·Granted Sep 22, 2015·1 cites·20 claims
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