Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336768 | Antibacterial cephalosporin compounds | Dennis Keith, Frederick M. Konzelmann, Pamela Loreen Rossman, Manfred Weigele | 1994-08-09 |
| 5329002 | Antibacterial cephalosporin compounds | Dennis Keith, Chung Chen Wei, Manfred Weigele, Roxana Yang | 1994-07-12 |
| 5147871 | Anti-bacterial cephalosporin compounds | Ka-Kong Chan, Dennis Keith, Rudolf Then, Manfred Weigele | 1992-09-15 |
| 4912214 | Isothiazolyl beta-lactam antibacterial agents | Dennis Keith, Frederick M. Konzelman | 1990-03-27 |
| 4831130 | .beta.-lactam antibacterial agents | Frederick M. Konzelmann, Dennis Keith | 1989-05-16 |
| 4584132 | 1-(N-phosphinylcarbamoyl) .beta.-lactam antibacterial agents | Frederick M. Konzelmann, Dennis Keith | 1986-04-22 |