Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102494 | Wet-tip die for EFG cyrstal growth apparatus | David Harvey, Brian H. Mackintosh, Sankerlingam Rajendran | 1992-04-07 |
| 5037622 | Wet-tip die for EFG crystal growth apparatus | David Harvey, Brian H. Mackintosh, Sankerlingam Rajendran | 1991-08-06 |