Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11357152 | Quick-fit coupling for a wearing part of a soil-working tool | Erlend Sølvberg, Øyvind Egeland | 2022-06-14 |
| 5337843 | Hole opener for the top hole section of oil/gas wells | Tor Torgrimsen, Kjell-Egil Stangeland | 1994-08-16 |