Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919913 | Process for the production of solar silicon | Gunter Kurz, Ingo Schwirtlich, Peter Woditsch | 1990-04-24 |
| 4525334 | Process for the production of silicon | Peter Woditsch, Berthold Brazel | 1985-06-25 |