Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589495 | Process for reducing the levels of halogenated hydrocarbons | Stefan Fischer, Frank Witzel | 2003-07-08 |
| 6576585 | Process for producing a catalyst body | Stefan Fischer, Ronald Neufert, Frank Witzel | 2003-06-10 |
| 6569394 | Catalyst body and process for breaking down nitrogen oxides | Stefan Fischer, Frank Witzel | 2003-05-27 |