Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870219 | Novel tetrahydronaphthalene and indane derivatives | Michael Klaus, Peter Mohr, Ekkehard Weiss | 1989-09-26 |
| 4816476 | Heterocyclic rodenticidal compounds, compositions containing the compounds, and methods of use | Michael Klaus, Harald Weiser | 1989-03-28 |