Assignee
BUTLER JOEL
US·5 granted patents·1 pending application·45 citations·filing 2008–2014
Top patents by PatentIndex Score
6 records- 0193US8582263B2Digitally controlled AC protection and attenuation circuitBUTLER JOEL·Filed 2010·Granted Nov 12, 2013·23 cites·27 claims
- 0291US8873211B1Performance and isolation improvements for digitally controlled AC attenuation and protection circuitsBUTLER JOEL·Filed 2012·Granted Oct 28, 2014·15 cites·20 claims
- 0379US8723639B2Healthcare television system apparatusBUTLER JOEL·Filed 2010·Granted May 13, 2014·4 cites·25 claims
- 0470US9014390B2Digital communication system for loudspeakersBUTLER JOEL·Filed 2010·Granted Apr 21, 2015·3 cites·30 claims
- 0554US2014247399A1Healthcare television system apparatusBUTLER JOEL·Filed 2014·Application pending·0 cites
- 0648US8199918B2Loudspeaker protection circuitBUTLER JOEL·Filed 2008·Granted Jun 12, 2012·0 cites·17 claims
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