Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428866 | Multilayer plastic composition having an electrically conductive inner layer | Hans Jadamus, Hans Ries | 2002-08-06 |
| 6386240 | Multilayer plastic pipe having good adhesion between layers | Hans-Dieter Herrmann | 2002-05-14 |
| 6090459 | Multilayer plastic composition having an electrically conductive inner layer | Hans Jadamus, Hans Ries | 2000-07-18 |
| 5858492 | Thermoplastic multilayer composites | Hans Ries | 1999-01-12 |