Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266109 | EMI shielding pigments, a process for their preparation and their use | Wilan Jerke, Kai Dorer, Bernd Dorbath, Karl-Anton Starz, Norbert Giesecke | 1993-11-30 |
| 5252522 | Purple pigments, a process for their production and use thereof | Bernd Dorbath, Karl-Anton Starz, Wilan Jerke, Kai Dorer | 1993-10-12 |
| 5194296 | Method of producing a coilable ceramic veneer in unfired condition | Josef Hammer, Paul F. Hahmann | 1993-03-16 |