Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889554 | Diphenyl ether derivatives, their preparation and their use for controlling undesirable plant growth | Bruno Wuerzer, Norbert Meyer | 1989-12-26 |
AL
Arno Lange
Overall (1989): #130,971 of 140,708Top 95%
1
Patents 1989