Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136448 | Recording material for water-dilutable inks | Christoph Roth, Angela Kuhrt | 2000-10-24 |
| 6015621 | Ultraviolet dosimeter film | Regina Lischewski, Jorg Marx, Uwe Gohs | 2000-01-18 |