Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871517 | Apparatus for parting wafer-shaped silicon bodies, useful for solar cells, from a silicon tape manufactured in a horizontal tape-drawing method | Gerhard Hoyler, Josef Grabmaier | 1989-10-03 |