Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231007 | Efficient riboflavin production with yeast | Donald L. Heefner, Annette Boyts, Michael J. Yarus | 1993-07-27 |
| 5164303 | Method for producing riboflavin with Candida famata | Donald L. Heefner, Craig A. Weaver, Michael J. Yarus | 1992-11-17 |
| 5120655 | Riboflavin producing strains of microorganisms | Edward W. Foster, Dale C. Gyure, Donald L. Heefner, Craig A. Weaver, Michael J. Yarus | 1992-06-09 |