Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412306 | Process for producing composite bodies from quartz material | Hans-Juergen Flieger, Karl-Heinz Schiecke, Werner Schmid, Dirk Schulze, Bernhart Sindzinski +1 more | 2002-07-02 |
| 6315626 | Adhesively bonded pressure-resistant glass bodies | Wilfried Hupfer, Edith Zimmermann | 2001-11-13 |
| 6276592 | Process for the production of a holding device for semiconductor disks and holding device produced by this process | Walter Nadrag, Klaus Sivec, Edith Zimmermann | 2001-08-21 |