Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6516636 | Method for producing a tube made of quartz glass using low internal pressure and control of diameters | Frank Gänsicke, Harald Hain, Thomas Bogdahn, Oliver Humbach | 2003-02-11 |