Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6004391 | Pigments for the production of purple ceramic decoration, process for the production thereof and use thereof | Hans-Peter Letschert | 1999-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6004391 | Pigments for the production of purple ceramic decoration, process for the production thereof and use thereof | Hans-Peter Letschert | 1999-12-21 |