Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164494 | Cephalosporin derivatives | Hendrik A. Witkamp, Jan J. DeKoning, Herman H. Grootveld, Everardus J. A. M. Leenderts | 1992-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164494 | Cephalosporin derivatives | Hendrik A. Witkamp, Jan J. DeKoning, Herman H. Grootveld, Everardus J. A. M. Leenderts | 1992-11-17 |