Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396824 | Conduit for high temperature transfer of molten semiconductor crystalline material | George Fiegl | 1983-08-02 |
| 4282184 | Continuous replenishment of molten semiconductor in a Czochralski-process, single-crystal-growing furnace | George Fiegl | 1981-08-04 |