Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652649 | Supplemental heating unit for crystal growth furnace | David T. Hearst | 2003-11-25 |
| 6602345 | Heater arrangement for crystal growth furnace | David T. Hearst | 2003-08-05 |
| 6562125 | Heater arrangement for crystal growth furnace | David T. Hearst | 2003-05-13 |
| 6537372 | Heater arrangement for crystal growth furnace | — | 2003-03-25 |