Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981511 | Hydroxyamidino derivatives useful as nitric oxide synthase inhibitors | Rolando E. Gapud, Timothy J. Hagen, Donald W. Hansen, Jr., Robert E. Manning, Suzanne Metz +4 more | 1999-11-09 |
| 5854251 | Aminotetrazole derivatives useful as nitric oxide synthase inhibitors | Donald W. Hansen, Jr., Sofya Tsymbalov | 1998-12-29 |