Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839352 | N-acyl derivatives of thienamycin | Burton G. Christensen, John Hannah, William J. Leanza, David H. Shih | 1989-06-13 |
| 4406902 | Dipeptidase inhibitors | Wallace T. Ashton, Jeannette E. Brown, Donald W. Graham | 1983-09-27 |