Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858714 | Cyclic GMP phosphodiesterase | Douglas A. Fisher, David G. Streeter | 2005-02-22 |
| 6255456 | Cyclic GMP phosphodiesterase | Douglas A. Fisher, David G. Streeter | 2001-07-03 |
| 5922595 | Cyclic GMP phosphodiesterase | Douglas A. Fisher, David G. Streeter | 1999-07-13 |