Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5752320 | Borehole dip instrument | Lennart Roosman, John Emanuel Paulson | 1998-05-19 |
| 5537753 | Bore hole inclinometer apparatus | Gosta Roosman | 1996-07-23 |
| 4467526 | Inclination instrument | — | 1984-08-28 |