Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865989 | Eukaryotic vectors and plasmids having PGK regulatory signals | John A. Carbon | 1989-09-12 |
| 4803164 | Preparation of hepatitis b surface antigen in yeast | Arthur D. Levinson, Daniel Yansura | 1989-02-07 |