Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828587 | Device for separating gas bubbles from fluids | Ulrich Baurmeister | 1989-05-09 |
| 4814440 | Process for producing extractive-material-reduced cellulose | Joachim Behnke, Helmut Schulze, Ernst Berg | 1989-03-21 |