Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889818 | Purified thermostable enzyme | David H. Gelfand, Susanne Stoffel, Randall K. Saiki | 1989-12-26 |
| 4870013 | SV40 early and RSV promoters useful in saccharomyces expression | David H. Gelfand, Susanne Stoffel | 1989-09-26 |
| 4830962 | Recombinant diphtheria toxin fragments | David H. Gelfand, Lawrence Greenfield | 1989-05-16 |