Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877596 | Process for the production of low carbon silicon | Ingo Schwirtlich, Peter Woditsch | 1989-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877596 | Process for the production of low carbon silicon | Ingo Schwirtlich, Peter Woditsch | 1989-10-31 |