Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871864 | Carbamoyloxythiophene fungicides | Gerd Hanssler, Pieter Ooms | 1989-10-03 |
| 4863954 | Acyloxythiophene-carboxamide fungicides | Gerd Hanssler | 1989-09-05 |
| 4839381 | Carbamoyloxythiophene fungicides | Gerd Hanssler, Pieter Ooms | 1989-06-13 |