Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410494 | Apparatus for controlling flow of molten material between crystal growth furnaces and a replenishment crucible | — | 1983-10-18 |
| 4396824 | Conduit for high temperature transfer of molten semiconductor crystalline material | Walter Torbet | 1983-08-02 |
| 4282184 | Continuous replenishment of molten semiconductor in a Czochralski-process, single-crystal-growing furnace | Walter Torbet | 1981-08-04 |