Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389402 | Method of producing decorations which are color-stable in a porcelain firing and a pigment composition suitable therefor | Dietrich Speer, Akos Kiss, Jenny Horst, Guenter Halbritter | 1995-02-14 |