Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868708 | Method and apparatus for making a highly uniform low-stress single crystal by drawing from a melt and uses of said crystal | Gunther Wehrhan, Lutz Parthier, Daniel Rytz, Lothar Ackermann | 2011-01-11 |
| 7476274 | Method and apparatus for making a highly uniform low-stress single crystal by drawing from a melt and uses of said crystal | Gunther Wehrhan, Lutz Parthier, Daniel Rytz, Lothar Ackermann | 2009-01-13 |
| 7067007 | Process and device for growing single crystals | Lothar Ackermann, Daniel Rytz | 2006-06-27 |