Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5390703 | Valve for flowing liquid-phase medium | — | 1995-02-21 |
| 5303897 | Arrangement in valve dampers | Tormod Sirevag | 1994-04-19 |
| 4688626 | Ventilator unit | — | 1987-08-25 |
| 4481747 | Assembly for mounting plates to a framework structure | Sigbjorn Jensen | 1984-11-13 |