Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710002 | Method for regenerating a zeolitic catalyst | Georg Heinrich Grosch, Andreas Walch, Norbert Rieber, Wolfgang Harder | 2004-03-23 |
| 6693377 | Dielectric layer for discharge lamps and corresponding production method | Franz Zwaschka, Frank Vollkommer | 2004-02-17 |