Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218140 | Enhancer for eukaryotic expression systems | Bernhard Fleckenstein, Walter E. Schaffner, Frank Weber, Gerhard Jahn, Michael Boshart | 2001-04-17 |
| 5849522 | Enhancer for eukaryotic expression systems | Bernhard Fleckenstein, Walter E. Schaffner, Frank Weber, Gerhard Jahn, Michael Boshart | 1998-12-15 |
| 4968615 | Deoxyribonucleic acid segment from a virus | Ulrich Koszinowski, Gunther Keil, Walter E. Schaffner | 1990-11-06 |