Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454103 | Multiphase extractor with a wash chamber | Werner Bäcker | 2002-09-24 |
| 6446815 | Multiple phase extractor | — | 2002-09-10 |
| 6387255 | Triphase extraction column | Werner Bäcker | 2002-05-14 |