Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330358 | Method of producing plate- or tape-shaped silicon crystal bodies having crystalline pillar-like structures therein, equivalent to _crystalline columnar structures, for large surface solar cells | Christa Grabmaier, Helmut Thomann | 1982-05-18 |