Inventor · disambiguated record
David A. Christopher
Also filed as: CHRISTOPHER DAVID · CHRISTOPHER DAVID A · CHRISTOPHER DAVID AMES
29 granted patents·919 citations·filing 1984–2018
97Inventor score
Top patents by PatentIndex Score
29 records- 0196US6519141B2Handheld computer cover with deformable exteriorPALM INC·Filed 2001·Granted Feb 11, 2003·243 cites·21 claims
- 0295US8800015B2Apparatus and methods for selecting services of mobile network operatorsCHRISTOPHER DAVID A·Filed 2012·Granted Aug 5, 2014·32 cites·20 claims
- 0394US9942588B2System for monetizing resources accessible to a mobile device serverAT & T IP I LP·Filed 2016·Granted Apr 10, 2018·10 cites·20 claims
- 0494US9544627B2System for monetizing resources accessible to a mobile device serverAT & T IP I LP·Filed 2015·Granted Jan 10, 2017·11 cites·20 claims
- 0593US9066123B2System for monetizing resources accessible to a mobile device serverCHRISTOPHER DAVID A·Filed 2010·Granted Jun 23, 2015·16 cites·23 claims
- 0693USD443612SPersonal digital assistant devicePALM INC·Filed 2000·Granted Jun 12, 2001·59 cites·1 claims
- 0791US8843853B1Home screen user interface for electronic device displaySMOAK ANDREW THOMAS·Filed 2007·Granted Sep 23, 2014·97 cites·20 claims
- 0890US6364697B1Palmtop computer docking systemPALM INC·Filed 2000·Granted Apr 2, 2002·54 cites·12 claims
- 0990USD446526SRemovable faceplate for a personal digital assistant devicePALM INC·Filed 2000·Granted Aug 14, 2001·51 cites·1 claims
- 1086USD452968SFlip cover lid for a PDA devicePALM INC·Filed 2000·Granted Jan 15, 2002·38 cites·1 claims
- 1185US10292042B2Apparatus and methods for selecting services of mobile network operatorsAT & T MOBILITY II LLC·Filed 2017·Granted May 14, 2019·3 cites·20 claims
- 1285US9119051B2Apparatus and methods for selecting services of mobile network operatorsAT & T MOBILITY II LLC·Filed 2014·Granted Aug 25, 2015·5 cites·20 claims
- 1382US6900980B2Synchronization cradle with expansion card slotsPALM INC·Filed 2001·Granted May 31, 2005·36 cites·33 claims
- 1481US5967616AElectrical control system for apparatus and method for continuous underground miningARCH TECH CORP·Filed 1998·Granted Oct 19, 1999·64 cites·12 claims
- 1580US5667279AApparatus and method for continuous miningARCH MINERAL CORP·Filed 1996·Granted Sep 16, 1997·54 cites·3 claims
- 1679US10775962B2Home screen user interface for electronic device displayAT & T MOBILITY II LLC·Filed 2018·Granted Sep 15, 2020·3 cites·20 claims
- 1776US9473929B2Apparatus and methods for distributing credentials of mobile network operatorsCHRISTOPHER DAVID A·Filed 2012·Granted Oct 18, 2016·3 cites·20 claims
- 1875US6381126B1Cover with viewing window for palmtop computerPALM INC·Filed 2000·Granted Apr 30, 2002·22 cites·20 claims
- 1970US9554266B2Apparatus and methods for selecting services of mobile network operatorsAT & T MOBILITY II LLC·Filed 2015·Granted Jan 24, 2017·1 cites·20 claims
- 2068US4597067ABorehole monitoring device and methodCONOCO INC·Filed 1984·Granted Jun 24, 1986·37 cites·2 claims
- 2167US9753608B2Home screen user interface for electronic device displayAT & T MOBILITY II LLC·Filed 2015·Granted Sep 5, 2017·1 cites·23 claims
- 2264USD484135SFaceplate of a handheld computerPALM INC·Filed 2001·Granted Dec 23, 2003·14 cites·1 claims
- 2362US5810447AApparatus and method for continuous miningARCH MINERAL CORP·Filed 1995·Granted Sep 22, 1998·34 cites·14 claims
- 2460US10536737B2System for monetizing resources accessible to a mobile device serverAT & T IP I LP·Filed 2018·Granted Jan 14, 2020·0 cites·20 claims
- 2558US10516989B2Apparatus and methods for distributing credentials of mobile network operatorsAT & T MOBILITY II LLC·Filed 2018·Granted Dec 24, 2019·0 cites·20 claims
- 2656US9880700B2Home screen user interface for electronic device displayAT & T MOBILITY II LLC·Filed 2014·Granted Jan 30, 2018·0 cites·20 claims
- 2756US5709433AApparatus for continuous miningARCH MINERAL CORP·Filed 1996·Granted Jan 20, 1998·23 cites·2 claims
- 2853US10028131B2Apparatus and methods for distributing credentials of mobile network operatorsAT & T MOBILITY II LLC·Filed 2016·Granted Jul 17, 2018·0 cites·20 claims
- 2951USD485837SCover for a handheld computerPALM INC·Filed 2001·Granted Jan 27, 2004·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →