Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887809 | Endless revolving transport apparatus for piece goods | — | 1989-12-19 |
| 4886824 | Compositions for controlling plant diseases and the use thereof in plant protection | Wilhelm Ruess, Pierre Urech, Theodor Staub | 1989-12-12 |
| 4886825 | Compositions for controlling plant diseases and the use thereof in plant protection | Wilhelm Ruess, Pierre Urech, Theodor Staub | 1989-12-12 |