Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411691 | 1-Substituted phenyl-pyridazone herbicides | Wolfgang Rohr, Hanspeter Hansen, Bruno Wuerzer | 1983-10-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411691 | 1-Substituted phenyl-pyridazone herbicides | Wolfgang Rohr, Hanspeter Hansen, Bruno Wuerzer | 1983-10-25 |