Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492078 | Process for the controlled feeding of a melting crucible with particles during the drawing of crystals by the czochralski method | Joachim Aufreiter, Dieter Bruss, Klaus Kalkowski | 1996-02-20 |