Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538670 | Wood preservation method and wood preservative | Anne-Christine Ritschkoff, Liisa Viikari, Leena Paajanen | 1996-07-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538670 | Wood preservation method and wood preservative | Anne-Christine Ritschkoff, Liisa Viikari, Leena Paajanen | 1996-07-23 |