Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6588234 | Device and method of plaining glasses or glass-ceramics | Werner Kiefer, Uwe Kolberg, Stefan Schmitt, Wolfgang Schmidbauer | 2003-07-08 |
| 6577667 | Skull pot for melting or refining inorganic substances | Wolfgang Schmidbauer, Werner Kiefer, Guido Räke, Frank-Thomas Lentes | 2003-06-10 |