Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970823 | System, method and computer program product for monitoring voice application calls over a network | Ravi Sangisetti, Kaiwang Zhang | 2005-11-29 |
| 6814842 | System and method for organizing objects of a voice call in a tree representation | Miles Wu, Kaiwang Zhang | 2004-11-09 |