Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6206199 | Method and an apparatus for recycling different components in a multiple layer material | Günter Betz | 2001-03-27 |
| 5176793 | Method of treating and a disperger for disintegrating wood pulp, especially containing waste paper | — | 1993-01-05 |