Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6236653 | Local telephone service over a cable network using packet voice | Robert William Dalton, Martin Joel Glapa | 2001-05-22 |
| 6205135 | Access platform for internet-based telephony | Venkata Chinni, Kar-Wing Edward Lor | 2001-03-20 |