Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447685 | Method for separating multi-phase mixtures of solvents having small differences in density | Ralf-Matthias Saal | 2002-09-10 |
| 5689848 | Method and apparatus for dry cleaning textiles | Ralf Mathias Saal | 1997-11-25 |
| 5423921 | Method and apparatus for cleaning textiles | Ralf Mathias Saal | 1995-06-13 |