Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672245 | Recycling of knots in a continuous process for cooking chemical pulp | Elisabeth Andtbacka, Stig Andtbacka | 1997-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672245 | Recycling of knots in a continuous process for cooking chemical pulp | Elisabeth Andtbacka, Stig Andtbacka | 1997-09-30 |