Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880795 | Cephalosporins | Rolf Angerbauer, Karl G. Metzger, Hans-Joachim Zeiler | 1989-11-14 |
| 4808724 | 2-aminothiazolyl-containing .beta.-lactam antibiotics | Karl G. Metzger, Hans-Joachim Zeiler | 1989-02-28 |