Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830781 | Method for producing an SiO2 blank and apparatus for performing said method | — | 2004-12-14 |
| 6715317 | Process and apparatus for the production of a cylindrical component of glass | Karsten Bräuer, Frank Gänsicke, Helmut Friedrich | 2004-04-06 |
| 6673396 | Method for producing an SiO2 blank by adjusting shape of deposition burner flame | — | 2004-01-06 |