Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652649 | Supplemental heating unit for crystal growth furnace | John D. Schupp | 2003-11-25 |
| 6602345 | Heater arrangement for crystal growth furnace | John D. Schupp | 2003-08-05 |
| 6562125 | Heater arrangement for crystal growth furnace | John D. Schupp | 2003-05-13 |