Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805544 | Extruder | — | 2004-10-19 |
| 6793854 | Method and apparatus for making plastic film, and plastic film | — | 2004-09-21 |
| 6767501 | Method and apparatus for making plastic film, and plastic film | — | 2004-07-27 |
| 6759769 | Electromechanic film and acoustic element | — | 2004-07-06 |
| 6722778 | Extruder with groove rotor and stator | — | 2004-04-20 |
| 6711267 | Method and apparatus for processing sound | — | 2004-03-23 |
| 6689472 | Apparatus for extrusion of polymers and plastic products formed with the apparatus | Jyri Jarvenkyla, Michael Sjoberg | 2004-02-10 |