Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6866710 | Inorganic spherical absorption pigments | Lilia Heider, Martin Knapp, Gisela Lenz | 2005-03-15 |
NR
Norbert Rick
Overall (All Time): #3,443,532 of 4,157,543Top 85%
1
Patents All Time