Assignee
FRENCH JOHN B
CA·11 granted patents·3 pending applications·245 citations·filing 1980–2019
Top patents by PatentIndex Score
14 records- 0199US8221244B2Table with sensors and smart card holder for automated gaming system and gaming cardsFRENCH JOHN B·Filed 2008·Granted Jul 17, 2012·137 cites·12 claims
- 0296US4328420ATandem mass spectrometer with open structure AC-only rod sections, and method of operating a mass spectrometer systemFRENCH JOHN B·Filed 1980·Granted May 4, 1982·65 cites·17 claims
- 0386US8139816B2Acoustic transducerFRENCH JOHN B·Filed 2008·Granted Mar 20, 2012·12 cites·22 claims
- 0479US8995691B2Audio amplifierFRENCH JOHN B·Filed 2009·Granted Mar 31, 2015·9 cites·20 claims
- 0578US8577061B2Power supply for limited power sources and audio amplifier using power supplyFRENCH JOHN B·Filed 2008·Granted Nov 5, 2013·14 cites·9 claims
- 0674US9061197B2Read and write playing card system and methodFRENCH JOHN B·Filed 2013·Granted Jun 23, 2015·2 cites·20 claims
- 0770US9232305B2Acoustic transducerFRENCH JOHN B·Filed 2012·Granted Jan 5, 2016·2 cites·19 claims
- 0865US2020222791A1Read and write playing card system and methodFRENCH JOHN B·Filed 2019·Application pending·0 cites
- 0956US10376775B2Read and write playing card system and methodFRENCH JOHN B·Filed 2015·Granted Aug 13, 2019·0 cites·12 claims
- 1056US8535136B2Read and write playing careFRENCH JOHN B·Filed 2012·Granted Sep 17, 2013·0 cites·30 claims
- 1154US8143949B2Push-pull linear hybrid class H amplifierFRENCH JOHN B·Filed 2009·Granted Mar 27, 2012·2 cites·10 claims
- 1254US2012238337A1Table with Sensors and Smart Card Holder for Automated Gaming System and Gaming CardsFRENCH JOHN B·Filed 2012·Application pending·0 cites
- 1350US8036414B2SpeakerFRENCH JOHN B·Filed 2007·Granted Oct 11, 2011·2 cites·12 claims
- 1437US2013163788A1Power supply circuits for audio amplifiersFRENCH JOHN B·Filed 2012·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →