Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879231 | Transformation of yeasts of the genus pichia | James M. Cregg, Michael M. Harpold, George T. Sperl | 1989-11-07 |
| 4855231 | Regulatory region for heterologous gene expression in yeast | Paul Brust, Steven B. Ellis, Thomas Gingeras, Michael M. Harpold, Juerg F. Tschopp | 1989-08-08 |
| 4808537 | Methanol inducible genes obtained from pichia and methods of use | Paul Brust, Steven B. Ellis, Thomas Gingeras, Michael M. Harpold, Juerg F. Tschopp | 1989-02-28 |