Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8869561 | Method and a device for the refining of glass | Erich Rodek, Wolfgang Schmid-Bauer, Günter Weidmann, Werner Kiefer | 2014-10-28 |
| 7694533 | Method for the refining of glass | Erich Rodek, Wolfgang Schmid-Bauer, Günter Weidmann, Werner Kiefer | 2010-04-13 |