Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483924 | Acoustic elements and method for sound processing | — | 2002-11-19 |
| 6450429 | Method and apparatus for treating waste material | — | 2002-09-17 |
| 6446674 | Method of producing homogeneous material with an extruder, an extruder, and a multilayer plastic pipe | Esko Hippeläinen, Jyri Jarvenkyla | 2002-09-10 |
| 6416211 | Method and apparatus for molding plastic | Jyri Jarvenkyla | 2002-07-09 |