Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346293 | Process of coating an extruder screw | Jean-Louis Hebuterne | 2002-02-12 |
| 6155705 | Extruder screw with coatings of different hardnesses thereon | Jean-Louis Hebuterne | 2000-12-05 |