Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646023 | Solid pigment preparation for coloring seed/seed-dressing materials | — | 2003-11-11 |
| 6596073 | Solid pigment preparations | Josef Witt | 2003-07-22 |
| 6596446 | Organic pigments in color filters liquid of crystal display | Mickey Wolf, Rolf Richter, Kent Faubion, Udo Herrmann, Josef Witt | 2003-07-22 |