Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347401 | Gas-filled cable with composite conduit of low carbon steel and aluminum and having particle traps | Niels Knudsen, Veikko Orpana, Olov Warulf, Hakan Bergqvist, Raoul Afzelius | 1982-08-31 |