Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336559 | Spiral separator with replaceable trough sections | Frank S. Knoll, Timo Niitti | 2002-01-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336559 | Spiral separator with replaceable trough sections | Frank S. Knoll, Timo Niitti | 2002-01-08 |