Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425982 | System for removing bleed-throughs from old corrugated container fiber pulp | Oliver Heise | 2002-07-30 |
| 6394279 | Flotation machine for a fiber suspension and method of using same | Klaus Doelle, Werner Witek, Oliver Heise | 2002-05-28 |
| 6395131 | Flotation machine for a fiber suspension and method of using same | Klaus Doelle, Werner Witek, Oliver Heise | 2002-05-28 |