Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7553653 | Variants and chemically-modified variants of phenylalanine ammonia-lyase | Emilio Kakkis, Daniel I. Oppenheimer, Paul A. Fitzpatrick, Alejandra Gamez, Lin Wang +4 more | 2009-06-30 |
| 5338677 | Heparinase free of an anticoagulant component from flavobacterium Heparinum | Joseph J. Zimmermann, N. Tracey Lewis | 1994-08-16 |
| 5262325 | Method for the enzymatic neutralization of heparin | Joseph J. Zimmermann, N. Tracey Lewis | 1993-11-16 |