Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645286 | Iron effect pigments | Werner Ostertag, Stefan Trummer, Klaus Greiwe | 2003-11-11 |
| 6589331 | Soft iron pigments | Werner Ostertag, Stefan Trummer, Klaus Greiwe | 2003-07-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645286 | Iron effect pigments | Werner Ostertag, Stefan Trummer, Klaus Greiwe | 2003-11-11 |
| 6589331 | Soft iron pigments | Werner Ostertag, Stefan Trummer, Klaus Greiwe | 2003-07-08 |