Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7105053 | Energy efficient method for growing polycrystalline silicon | John Hill | 2006-09-12 |
| 5284640 | Graphite chuck having a hydrogen impervious outer coating layer | Michael F. Jernegan | 1994-02-08 |