Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6524400 | Process for the production of grain-oriented electric quality sheet with low remagnetization loss and high polarization | Rudolf Kawalla, Manfred Espenhahn, Andreas Böttcher, Klaus Gunther, Hans Huneus +1 more | 2003-02-25 |
| 6503339 | Method for producing non-grain oriented magnetic sheet steel | Rudolf Kawalla, Manfred Espenhahn, Brigitte Hammer, Klaus Josef Peters, Jürgen Schneider +1 more | 2003-01-07 |