Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880472 | Organic pigments coated with metal oxides | Philippe Bugnon, Arnold Grubenmann, Bernhard Medinger | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880472 | Organic pigments coated with metal oxides | Philippe Bugnon, Arnold Grubenmann, Bernhard Medinger | 1989-11-14 |