Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770594 | Herbicidal compositions | Udo Bickers, Hermann Bieringer, Gerhard Frisch, Erwin Hacker | 2004-08-03 |
| 6693063 | Herbicidal composition | Gerhard Schnabel, Jean Kocur, Hans-Peter Krause, Julio Martinez de Una, Udo Bickers | 2004-02-17 |