Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851628 | Method for the crucible-free floating zone pulling of semiconductor rods and an induction heating coil therefor | Wilfried Ammon, Wolfgang Hensel | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851628 | Method for the crucible-free floating zone pulling of semiconductor rods and an induction heating coil therefor | Wilfried Ammon, Wolfgang Hensel | 1989-07-25 |