Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098287 | Lid for improved dendritic web growth | Edgar L. Kochka, Paul A. Piotrowski, Raymond G. Seidensticker | 1992-03-24 |
| 4919901 | Barrier design for crucibles for silicon dendritic web growth | Raymond G. Seidensticker, Edgar L. Kochka | 1990-04-24 |
| 4828808 | Apparatus for silicon web growth of higher output and improved growth stability | Paul A. Piotrowski | 1989-05-09 |
| 4751059 | Apparatus for growing dendritic web crystals of constant width | James P. McHugh, Raymond G. Seidensticker | 1988-06-14 |
| 4747774 | Conforming crucible/susceptor system for silicon crystal growth | Paul A. Piotrowski, Edgar L. Kochka | 1988-05-31 |
| 4389377 | Apparatus for growing a dendritic web | Paul A. Piotrowski, Maria E. Skutch, James P. McHugh | 1983-06-21 |