Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490451 | System and method for providing packet-switched telephony | Robert E. Denman, Don Jackson, Donald V. Hanley, Paul Boudreaux | 2002-12-03 |
| 6470181 | Method and apparatus for simultaneous text and audio for sponsored calls | — | 2002-10-22 |
| 6374110 | Interface between cellular and wired networks with enhanced subscriber mobility | Jerry Joe Parker, John O'Connell | 2002-04-16 |