DD

David J. Dougall

RL Research In Motion Limited: 5 patents #404 of 1,397Top 30%
BL Blackberry Limited: 1 patents #1,631 of 2,554Top 65%
Overall (All Time): #853,932 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9112999 Automated selection of TTY-modes in a mobile device Gregory Jason Fields, Gerhard Dietrick Klassen, Mohamed Farid 2015-08-18
8351894 Mobile wireless communications device with orientation sensing and related methods Greg Fields 2013-01-08
8190183 System and method for differentiating between incoming and outgoing messages and identifying correspondents in a TTY communication Gregory Jason Fields, Gerhard Dietrich Klassen, Mohamed Farid 2012-05-29
8135376 System and method for differentiating between incoming and outgoing messages and identifying correspondents in a TTY communication Gregory Jason Fields, Gerhard Dietrich Klassen, Mohamed Farid 2012-03-13
7957717 System and method for differentiating between incoming and outgoing messages and identifying correspondents in a TTY communication Gregory Jason Fields, Gerhard Dietrich Klassen, Mohamed Farid 2011-06-07
7561711 Audio peripheral for an electronic device Larry Hawker, George Mankaruse 2009-07-14