Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712904 | Device for producing single crystals | Klaus Sonnenberg, Thomas Bünger, Tilo Flade, Berndt Weinert | 2004-03-30 |
| 6358315 | Method and apparatus for producing monocrystals | Thomas Bünger, Tilo Flade, Berndt Weinert, Klaus Sonnenberg | 2002-03-19 |
| 5833748 | Method of and apparatus for obtaining fissure-free crystals | Martin Althaus, Klaus Sonnenberg | 1998-11-10 |