Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250807 | Sand detector | — | 1993-10-05 |
| 5246035 | Valve device having stationary and movable or turnable valve bodies | Olav Skyllingstad, Lars Nokleberg | 1993-09-21 |
| 5211677 | Method and apparatus for measuring the quantity of particulate material in a fluid stream | John P. Sargeant, Tom Solberg | 1993-05-18 |