Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446674 | Method of producing homogeneous material with an extruder, an extruder, and a multilayer plastic pipe | Kari Kirjavainen, Jyri Jarvenkyla | 2002-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446674 | Method of producing homogeneous material with an extruder, an extruder, and a multilayer plastic pipe | Kari Kirjavainen, Jyri Jarvenkyla | 2002-09-10 |