Inventor

RANGANATHAN DIPTI

US4 patents

⚠️ This page may combine multiple inventors who share the name “RANGANATHAN DIPTI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T IP II LP

3 patents

US7996527B2Aug 9, 2011

System, method and apparatus for playing a sound identifier based on connection status

AT & T IP II LP20 citations91

US7805487B1Sep 28, 2010

System, method and apparatus for communicating via instant messaging

AT & T IP II LP23 citations91

US7584257B2Sep 1, 2009

System, method and apparatus for communicating via instant messaging

AT & T IP II LP21 citations91

AT & T CORP

1 patent

US7043530B2May 9, 2006

System, method and apparatus for communicating via instant messaging

AT & T CORP229 citations97