Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780349 | Method for producing ceramic green bodies | Gert Lindemann, Doris Peters, Ingrid Wuehrl, Ulrich Eisele | 2004-08-24 |
| 6699807 | Glass ceramic material, method for producing the same and spark plug containing such a glass ceramic material | Heinz Geier, Rudolf Pollner, Ulrich Eisele | 2004-03-02 |