Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942199 | Method for the treatment of impure aluminium oxide | Simo Jokinen, Maire Iida Annikki Mattila, Anna-Mari Kristiina Stein, Sirpa-Liisa Katariina Mattila | 1999-08-24 |