Inventor · disambiguated record
Douglas Fregin
Also filed as: FREGIN DOUGLAS · FREGIN DOUGLAS EDGAR
10 granted patents·283 citations·filing 2004–2011
90Inventor score
Top patents by PatentIndex Score
10 records- 0198US7772507B2Switch assembly and associated handheld electronic deviceRESEARCH IN MOTION LTD·Filed 2006·Granted Aug 10, 2010·190 cites·15 claims
- 0291US7369388B2Spark gap apparatus and method for electrostatic discharge protectionRESEARCH IN MOTION LTD·Filed 2006·Granted May 6, 2008·15 cites·15 claims
- 0390US7869180B2Spark gap apparatus and method for electrostatic discharge protectionRESEARCH IN MOTION LTD·Filed 2009·Granted Jan 11, 2011·20 cites·20 claims
- 0479US7508644B2Spark gap apparatus and method for electrostatic discharge protectionRESEARCH IN MOTION LTD·Filed 2004·Granted Mar 24, 2009·27 cites·14 claims
- 0579US7161784B2Spark gap apparatus and method for electrostatic discharge protectionRESEARCH IN MOTION LTD·Filed 2004·Granted Jan 9, 2007·22 cites·5 claims
- 0674US8027172B2Handheld electronic device including multi-compartment shielding container and associated methodsRESEARCH IN MOTION LTD·Filed 2010·Granted Sep 27, 2011·2 cites·22 claims
- 0774US7508684B2Handheld electronic device including multi-compartment shielding container and associated methodsRESEARCH IN MOTION LTD·Filed 2006·Granted Mar 24, 2009·4 cites·17 claims
- 0871US7830673B2Handheld electronic device including multi-compartment shielding container and associated methodsRESEARCH IN MOTION LTD·Filed 2009·Granted Nov 9, 2010·3 cites·20 claims
- 0954US8644033B2Handheld electronic device including multi-compartment shielding container and associated methodsCHEN CHAO·Filed 2011·Granted Feb 4, 2014·0 cites·24 claims
- 1046US7804488B2Method of employing a switch assembly to provide input, and handheld electronic deviceRESEARCH IN MOTION LTD·Filed 2006·Granted Sep 28, 2010·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →