Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863939 | Heteroarylethylamine as production promoters in livestock | Hans Lindel, Friedrich Berschauer, Anno de Jong, Martin Scheer | 1989-09-05 |
| 4847382 | 5-Aminopyridine compounds | Hans Lindel | 1989-07-11 |
| 4845262 | Novel arylethanolamines for promoting livestock production | Hans Lindel, Friedrich Berschauer, Anno de Jong, Martin Scheer | 1989-07-04 |