Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850276 | Mechanism for practice mines | Tord Andersson | 1989-07-25 |
| 4833093 | Method of silanization of surfaces | Magnus Malmqvist | 1989-05-23 |
| 4808538 | Method and device for measuring the corrosivity of liquids | Roger Roffey, Anders Norqvist, Goran Hulten | 1989-02-28 |