DR

Dipti Ranganathan

AT AT&T: 4 patents #4,399 of 18,772Top 25%
Overall (All Time): #1,239,493 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7996527 System, method and apparatus for playing a sound identifier based on connection status Ellen Isaacs, Alan Walendowski 2011-08-09
7805487 System, method and apparatus for communicating via instant messaging Ellen Isaacs, Alan Walendowski 2010-09-28
7584257 System, method and apparatus for communicating via instant messaging Ellen Isaacs, Alan Walendowski 2009-09-01
7043530 System, method and apparatus for communicating via instant messaging Ellen Isaacs, Alan Walendowski 2006-05-09