Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889818 | Purified thermostable enzyme | David H. Gelfand, Frances C. Lawyer, Randall K. Saiki | 1989-12-26 |
| 4870013 | SV40 early and RSV promoters useful in saccharomyces expression | David H. Gelfand, Frances C. Lawyer | 1989-09-26 |