Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5296531 | Pigment preparations | Horst Belde, Manfred Herrmann, Dietrich Lach | 1994-03-22 |
FL
Franz Leppmeier
Overall (All Time): #3,793,474 of 4,157,543Top 95%
1
Patents All Time