Waterloo
Canada
4
2011-08-18
The entities that hold a legal rights for patent applications filed by inventor Dougall David J.:
David J. Dougall from Waterloo, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
System and method for differentiating between incoming and outgoing messages and identifying correspondents in a TTY communication
#2 | 2010-10-28Automated selection of TTY-modes in a mobile device
#3 | 2009-12-31System and method for differentiating between incoming and outgoing messages and identifying correspondents in a TTY communication
#4 | 2009-09-03System and method for differentiating between incoming and outgoing messages and identifying correspondents in a TTY communication
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