Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649559 | Supported metal membrane, a process for its preparation and use | Werner Kuhn, Meike Roos, Stefan Wieland, Bernd Kempf | 2003-11-18 |
| 5730931 | Heat-resistant platinum material | Manfred Poniatowski, Stefan Zeuner | 1998-03-24 |