Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6095441 | Process of separating mixed plastic waste into light and heavy plastic phases | Karl-Heinz Unkelbach | 2000-08-01 |
| 5957295 | Apparatus and method for the processing of refuse mixtures including plastic waste | — | 1999-09-28 |
| 5948276 | Plastic separation method | Karl-Heinz Unkelbach | 1999-09-07 |