Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7420927 | Method and apparatus for determining troubleshooting information for completed calls in a telecommunications network | Mehryar Khalili Garakani, Jochen Weppner, John K. Ahlstrom, Stephen I. Schleimer | 2008-09-02 |
| 6781959 | Method and apparatus for determining troubleshooting information for completed calls in a telecommunications network | Mehryar Khalili Garakani, Jochen Weppner, John K. Ahlstrom, Stephen I. Schleimer | 2004-08-24 |