Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380110 | Process for making opaque quartz, for carrying out the process suitable SiO2 granulate, and component of opaque quartz glass | Waltraud Werdecker, Heinz Fabian, Johann Leist, Rolf Göbel | 2002-04-30 |