Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565973 | Composite particles | Daniel Gordon Duff, Werner Hoheisel | 2003-05-20 |
| 6503315 | Process for producing iron oxide pigments | Norbert Etzenbach | 2003-01-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565973 | Composite particles | Daniel Gordon Duff, Werner Hoheisel | 2003-05-20 |
| 6503315 | Process for producing iron oxide pigments | Norbert Etzenbach | 2003-01-07 |