Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885170 | Antibiotic A80509 | Robert L. Hamill | 1989-12-05 |
| 4880735 | Process for producing antibiotic A47934 | Jeffrey T. Fayerman, Michael Jones, Karl H. Michel, Milton J. Zmijewski, Jr. | 1989-11-14 |
| 4876273 | Antibotic A80577 and process for its production | Robert L. Hamill | 1989-10-24 |
| 4830967 | Process for producing antibiotic A80438 | Robert L. Hamill | 1989-05-16 |
| 4824863 | Antibiotic A80438 | Robert L. Hamill, Walter M. Nakatsukasa | 1989-04-25 |