Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6116351 | Multiple section reversible plough | — | 2000-09-12 |
| 5740868 | Pressure control circuit for a combination of a reversible plough with a plurality of soil preparation devices coupled therewith | — | 1998-04-21 |
| 5701960 | Reversible Plough | Magne Skjaeveland | 1997-12-30 |
| 5337843 | Hole opener for the top hole section of oil/gas wells | Tor Torgrimsen, Arnold Furre | 1994-08-16 |
| 4502544 | Plow assembly with turn limiter | — | 1985-03-05 |