Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977190 | Preparation of riboflavin, produced by a microbial method, in the form of spray-dried granules or microgranules | Wolfgang Buehler, Johannes Grimmer, Gunter Eipper, Hans Kiefer, Christoph Martin | 1990-12-11 |
| 4651937 | Withdrawing fiber optics from storage plates | Rainer Duewelhenke | 1987-03-24 |