Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894227 | Composition of immunotoxins with interleukin-2 | Paul Stevens, L. L. Houston, Kirston E. Koths | 1990-01-16 |
| 4863726 | Combination therapy using immunotoxins with interleukin-2 | Paul Stevens, L. L. Houston, Kirston E. Koths, Robert Zimmerman | 1989-09-05 |