Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872987 | Process for separating and producing chlorogenic acid | Reiner Kopsch, Claus F. Gosswein, Henning Lutz, Michael Ball | 1989-10-10 |
| 4818358 | Magnetron cathode sputter coating apparatus | Barbara Kussel, Peter Wirz | 1989-04-04 |