Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959314 | Cysteine-depleted muteins of biologically active proteins | David F. Mark, Leo S. Lin, Alice M. Wang | 1990-09-25 |
| 4853332 | Structural genes, plasmids and transformed cells for producing cysteine depleted muteins of biologically active proteins | David F. Mark, Leo S. Lin | 1989-08-01 |
| 4737462 | Structural genes, plasmids and transformed cells for producing cysteine depleted muteins of interferon-.beta. | David F. Mark, Leo S. Lin | 1988-04-12 |
| 4588585 | Human recombinant cysteine depleted interferon-.beta. muteins | David F. Mark, Leo S. Lin | 1986-05-13 |