Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630553 | Method and device for recycling heterogeneous mixtures of materials resulting from size-reduction processes | Petre Serban, Siegmar Sch afer, Dietrich H ausler, Wilfried Sinning, Ulrich T olle | 1997-05-20 |