Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731597 | Method and a system for interconnecting ring networks | Robert Batchellor, Bengt Johansson | 2004-05-04 |
| 6684005 | Connection of an add/drop node | Bengt Johansson, Fredrik Linden, Fredrik Lindgren, Dag Bonnedal, Ola Hulten | 2004-01-27 |