Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495811 | Induction heating device and method, and processor | Wolfram Betzold, Friedrich Stumpf | 2002-12-17 |
| 6488982 | Method of producing separator materials | Norbert Lahme, Gunter Sassmannshausen | 2002-12-03 |