Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6766009 | Method and system for correlating telephone calls with information delivery | Alexander Markman, David Johnston | 2004-07-20 |
| 6724876 | Method and apparatus for effecting telecommunications service features using call control information extracted from a bearer channel in a telecommunications network | Alexander Markman, David Johnston | 2004-04-20 |