Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356878 | Gel filtration of factor VIII | Richard L. Seng | 1994-10-18 |
| 5177191 | Gel filtration of factor VIII | Richard L. Seng | 1993-01-05 |
| 4439358 | Method of preparing alpha-1-proteinase inhibitor | Michael H. Coan | 1984-03-27 |
| 4379087 | Method of preparing alpha-1-proteinase inhibitor | Michael H. Coan | 1983-04-05 |