Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308446 | Fused quartz member for use in semiconductor manufacture | Peter P. Bihuniak, Robert D. Shelley | 1994-05-03 |
| 4911896 | Fused quartz member for use in semiconductor manufacture | Peter P. Bihuniak, Robert D. Shelley | 1990-03-27 |