Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381987 | Process for making opaque quartz glass and opaque component made according to the process | Waltraud Werdecker, Johann Leist, Heinz Fabian, Bruno Uebbing, Erich Rosin | 2002-05-07 |
| 6380110 | Process for making opaque quartz, for carrying out the process suitable SiO2 granulate, and component of opaque quartz glass | Waltraud Werdecker, Heinz Fabian, Udo Gertig, Johann Leist | 2002-04-30 |