Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7929674 | Method and system for providing billing capability for a service node in an advanced intelligent network environment | Devinne H. Brown, Hwey Chang, Romel Khan, Michael Koptiw, Tejanand Sarju | 2011-04-19 |
| 7257208 | Method and system for providing billing capability for a service node in an advanced intelligent network environment | Devinne H. Brown, Hwey Chang, Romel Khan, Michael Koptiw, Tejanand Sarju | 2007-08-14 |
| 6980632 | Method and system for providing billing capability for a service node in an advanced intelligent network environment | Devinne H. Brown, Hwey Chang, Romel Khan, Michael Koptiw, Tejanand Sarju | 2005-12-27 |
| 5796812 | Method for transferring call-specific data between called parties | Edite M. Hanlon, Steven T. Heinsius, Mrinalini Natarajan, Tejanand Sarju, Gary D. Walden | 1998-08-18 |
| 5590186 | System and method for redirecting a telephone call with call merging | Frank Y. Liao, Rise J. Frankel, Thomas W. Blickle, Sandra L. Bish | 1996-12-31 |