Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976357 | Purification of oil | Bjorn Malarstig | 1999-11-02 |
| 5876608 | Purification method | — | 1999-03-02 |
| 5810826 | Puncture instrument | Dan Akerfeldt, Håkan Ahlström | 1998-09-22 |
| 5308503 | Purification of industrial lubricating agents | — | 1994-05-03 |