Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4298526 | Preparation of easily dispersible and deeply colored pigmentary forms | Reinhard Sappok, Karl Roth, Alois Wiesenberger | 1981-11-03 |
FG
Fritz Guellich
Overall (All Time): #4,099,767 of 4,157,543Top 100%
1
Patents All Time