Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473422 | Communications network and method for screening incoming circuit switched calls | Göran Hall, Henrik Hummelgren, Chris Kannas, Richard Persson | 2002-10-29 |
| 6438383 | System and method relating to packet data communication | Göran Hall, Johanna KARLSSON | 2002-08-20 |