Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David A. Christopher — 29 Patents

ATAT&T: 15 patents #1,141 of 18,772Top 7%
PFPalm Firm: 9 patents #26 of 429Top 7%
COConoco: 1 patents #310 of 638Top 50%
Atlanta, GA: #169 of 7,950 inventorsTop 3%
Georgia: #794 of 35,610 inventorsTop 3%
Overall (All Time): #127,851 of 4,157,543Top 4%
29 Patents All Time
David A. Christopher has been granted 29 US patents while listed as an inventor at AT&T. The first was granted in 1986 and the most recent in September 2020. David A. Christopher ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list David A. Christopher in Atlanta, GA, US.

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10775962 Home screen user interface for electronic device display Andrew Thomas Smoak, Michelle Mindala-Freeman 2020-09-15 $58,797,000
10536737 System for monetizing resources accessible to a mobile device server Nicholas Peter Hill, Jeffrey G. Weber, William A. Brown, Troy C. Meuninck 2020-01-14 $63,074,000
10516989 Apparatus and methods for distributing credentials of mobile network operators Dana Tardelli 2019-12-24 $53,929,000
10292042 Apparatus and methods for selecting services of mobile network operators Dana Tardelli 2019-05-14 $60,248,000
10028131 Apparatus and methods for distributing credentials of mobile network operators Dana Tardelli 2018-07-17 $43,390,000
9942588 System for monetizing resources accessible to a mobile device server Nicholas Peter Hill, Jeffrey G. Weber, William A. Brown, Troy C. Meuninck 2018-04-10 $28,438,000
9880700 Home screen user interface for electronic device display Andrew Thomas Smoak, Michelle Mindala-Freeman 2018-01-30 $42,626,000
9753608 Home screen user interface for electronic device display Andrew Thomas Smoak, Michelle Mindala-Freeman 2017-09-05 $27,196,000
9554266 Apparatus and methods for selecting services of mobile network operators Dana Tardelli 2017-01-24 $51,217,000
9544627 System for monetizing resources accessible to a mobile device server Nicholas Peter Hill, Jeffrey G. Weber, William A. Brown, Troy C. Meuninck 2017-01-10 $34,589,000
9473929 Apparatus and methods for distributing credentials of mobile network operators Dana Tardelli 2016-10-18 $28,657,000
9119051 Apparatus and methods for selecting services of mobile network operators Dana Tardelli 2015-08-25 $18,239,000
9066123 System for monetizing resources accessible to a mobile device server Nicholas Peter Hill, Jeffrey G. Weber, William A. Brown, Troy C. Meuninck 2015-06-23 $41,402,000
8843853 Home screen user interface for electronic device display Andrew Thomas Smoak, Michelle Marie Mindala 2014-09-23 $25,848,000
8800015 Apparatus and methods for selecting services of mobile network operators Dana Tardelli 2014-08-05 $14,266,000
6900980 Synchronization cradle with expansion card slots 2005-05-31 $12,189,000
D485837 Cover for a handheld computer Grace Tseng, Maaike Evers, Victor Heldt, Lawrence Lam, Rich Gioscia 2004-01-27
D484135 Faceplate of a handheld computer Zita Netzel, Brent Eikanas, Victor Heldt, Maaike Evers, Lawrence Lam +2 more 2003-12-23
6519141 Handheld computer cover with deformable exterior Grace Tseng, Maaike Evers, Victor Heldt, Brent Eikanas 2003-02-11 $3,189,000
6381126 Cover with viewing window for palmtop computer Max Yoshimoto, Maaike Evers, Heather Klaubert 2002-04-30 $20,231,000
6364697 Palmtop computer docking system Grace Tseng, Sean O'Hara, Lauren Utigard, David Northway 2002-04-02 $54,852,000
D452968 Flip cover lid for a PDA device Maaike Evers, David Northway, Heather Claubert, Lauren Utigard 2002-01-15
D446526 Removable faceplate for a personal digital assistant device Maaike Evers, David Northway, Heather Klaubert, Lauren Utigard, Zita Thorpe-Netzel 2001-08-14
D443612 Personal digital assistant device Maaike Evers, David Northway, Zita S. Thorpe, Lauren Utigard, Max Yoshimoto 2001-06-12
5967616 Electrical control system for apparatus and method for continuous underground mining Larry G. Offutt 1999-10-19