Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6226032 | Crystal diameter control system | David Lees | 2001-05-01 |
| 5016683 | Apparatus for controllably feeding a particulate material | — | 1991-05-21 |
| 4710258 | System for controlling the diameter of a crystal in a crystal growing furnace | — | 1987-12-01 |
| 4617173 | System for controlling the diameter of a crystal in a crystal growing furnace | — | 1986-10-14 |