Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774265 | Process for preparing magnetic polymer particles | John Ugelstad, Turid Ellingsen, Arvid Berge | 1988-09-27 |
| 4654267 | Magnetic polymer particles and process for the preparation thereof | John Ugelstad, Turid Ellingsen, Arvid Berge | 1987-03-31 |