Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621027 | Dyestuffs for bulk dyeing plastics | Peter Roschger, Volker Hederich, Stephan Michaelis | 1997-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621027 | Dyestuffs for bulk dyeing plastics | Peter Roschger, Volker Hederich, Stephan Michaelis | 1997-04-15 |