Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421931 | Preparation of anthranilic acid amides | Peter Tonne, Gerhard Kilpper, Johannes Grimmer | 1983-12-20 |
WL
Winfried Ludwig
Overall (All Time): #4,062,583 of 4,157,543Top 100%
1
Patents All Time