Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946030 | Method for the production of a silica glass crucible with crystalline regions from a porous silica glass green body | Fritz Schwertfeger, Christoph Frey, Ulrich Lambert, Axel Frauenknecht | 2005-09-20 |