Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436164 | Analytical method for particulate silicon | Lydia L. Hwang, Maurice D. Lovay, Daniel P. Rice | 1995-07-25 |
| 5165548 | Rotary silicon screen | Elden E. Ruhlig, Matthew J. Stavely | 1992-11-24 |
| 5123636 | Low-contaminate work surface for processing semiconductor grade silicon | Matthew J. Stavely | 1992-06-23 |