Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098287 | Lid for improved dendritic web growth | Charles S. Duncan, Edgar L. Kochka, Raymond G. Seidensticker | 1992-03-24 |
| 4997628 | Web growth configuration for higher productivity and 100% feed rate capability at wide widths | — | 1991-03-05 |
| 4927489 | Method for doping a melt | Robert B. Campbell, Edgar L. Kochka | 1990-05-22 |
| 4828808 | Apparatus for silicon web growth of higher output and improved growth stability | Charles S. Duncan | 1989-05-09 |
| 4747774 | Conforming crucible/susceptor system for silicon crystal growth | Edgar L. Kochka, Charles S. Duncan | 1988-05-31 |
| 4389377 | Apparatus for growing a dendritic web | Charles S. Duncan, Maria E. Skutch, James P. McHugh | 1983-06-21 |