Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363901 | Method for detecting pinholes in continuously cast billets | Karl O. Bjornestol, Jan T. Malmo, Eiolf Vikhagen | 1994-11-15 |
| 5069005 | Method of flaw detection in billets | Heljar Hovland, Jan Nilsen | 1991-12-03 |
| 4400888 | Instrument for levelling | — | 1983-08-30 |