Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485000 | Device by ball valve | Erling Røyrvik, Einar Saghaug | 2002-11-26 |
| 5482253 | Ball valve | — | 1996-01-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485000 | Device by ball valve | Erling Røyrvik, Einar Saghaug | 2002-11-26 |
| 5482253 | Ball valve | — | 1996-01-09 |