Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883794 | Pyrrolo(1,2-b)cinnolines | R. Russell L. Hamer, Richard C. Effland | 1989-11-28 |
| 4880822 | N-(pyridinyl)-1H-indol-1-amines | Richard C. Effland | 1989-11-14 |
| 4868190 | N-pyridinyl-9H-carbazol-9-amines | Richard C. Effland, Larry Davis, Gordon E. Olsen | 1989-09-19 |
| 4806554 | Pyrazol and indazolpyridinamines | Richard C. Effland | 1989-02-21 |
| 4800203 | Pyrrolo(1,2-b)cinnolines | R. Russell L. Hamer, Richard C. Effland | 1989-01-24 |