Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9428421 | Method for producing a refractory material based on magnesia or magnesia spinel, and refractory material based on magnesia or magnesia spinel | Harald Harmuth, Sabine Gschiel, Pavol Sajgalik | 2016-08-30 |