Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6888928 | Arrangement in connection with supplementary services provided by different vendors | Børge Nilsen, Jan Holm, Richard Collin | 2005-05-03 |
| 6411694 | Arrangement for improving a telephone system | — | 2002-06-25 |