Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108720 | Float zone processing of particulate silicon | Michael Bourbina, Scott A. Wheelock | 1992-04-28 |
| 4912528 | Trace metals analysis in semiconductor material | Lydia L. Hwang | 1990-03-27 |
| 4724160 | Process for the production of semiconductor materials | Arvid Neil Arvidson, Michael H. Greene | 1988-02-09 |