Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461899 | Sealing device for an extruder | Ole Johan Sorheim, Lars Auran | 1995-10-31 |
| 4200140 | Method for teem-welding metals | Gerhard Einan, Arne Gruben, Erling Klungseth, Ingar Magnussen, Olav O. Moen +1 more | 1980-04-29 |