Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5459590 | Method and apparatus for freely selectable substitution of the achromatic part in multi color printing with the black ink | Joern Kowalewski | 1995-10-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5459590 | Method and apparatus for freely selectable substitution of the achromatic part in multi color printing with the black ink | Joern Kowalewski | 1995-10-17 |