Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773814 | Metal oxide particles coated with silicon dioxide | Kai Schumacher, Helmut Mangold, Steffen Hasenzahl | 2004-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773814 | Metal oxide particles coated with silicon dioxide | Kai Schumacher, Helmut Mangold, Steffen Hasenzahl | 2004-08-10 |