Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968074 | Method for making low-stress large-volume crystals with reduced stress birefringence and more uniform refractive index and crystals made thereby | Lutz Parthier, Joerg Staeblein, Gunther Wehrhan | 2011-06-28 |
| 7303627 | Method for making low-stress large-volume not-(111)-oriented crystals with reduced stress birefringence and more uniform refractive index and crystals made thereby | Lutz Parthier, Joerg Staeblein, Gunther Wehrhan | 2007-12-04 |
| 6891980 | Method and apparatus for analysis of schlieren | Michael Gerhard, Frank-Thomas Lentes, Wolfgang Singer, Ewald Moersen | 2005-05-10 |