Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939173 | Polycrystalline silicon rod for zone reflecting and a process for the production thereof | Hans-Christof Freiheit, Heinz Kraus | 2011-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939173 | Polycrystalline silicon rod for zone reflecting and a process for the production thereof | Hans-Christof Freiheit, Heinz Kraus | 2011-05-10 |