Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718975 | Particle shield | Robert A. Bowling, Benjamin Y. H. Liu | 1988-01-12 |
| 4631234 | Germanium hardened silicon substrate | — | 1986-12-23 |
| 4591409 | Control of nitrogen and/or oxygen in silicon via nitride oxide pressure during crystal growth | Eva A. Ziem, David E. Witter | 1986-05-27 |