Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853397 | Substituted furazans and insecticidal and acaricidal use | Wilhelm Sirrenberg, Albrecht Marhold | 1989-08-01 |
| 4804655 | Pesticidal cyclic malonylphosphonic diamides | Nikolaus Muller, Gerhard Bonse, Peter Andrews, Wilhelm Stendel | 1989-02-14 |