Individual holder
NORTH DONALD J
US·4 granted patents·111 citations·filing 2008–2013
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0195US8175304B1Compact loudspeaker systemNORTH DONALD J·Filed 2008·Granted May 8, 2012·107 cites·24 claims
- 0267US8571252B2Driver assembly for loudspeakersNORTH DONALD J·Filed 2011·Granted Oct 29, 2013·3 cites·9 claims
- 0356US9288601B2Broad sound loudspeaker systemNORTH DONALD J·Filed 2013·Granted Mar 15, 2016·1 cites·12 claims
- 0439US8804995B2Low profile loudspeakerNORTH DONALD J·Filed 2011·Granted Aug 12, 2014·0 cites·4 claims
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