Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663709 | Crystal puller and method for growing monocrystalline silicon ingots | Zheng Lu, Ying Tao, Lee William Ferry, Carl F. Cherko | 2003-12-16 |
| 6579362 | Heat shield assembly for crystal puller | Lee William Ferry, Richard G. Schrenker | 2003-06-17 |
| 6554898 | Crystal puller for growing monocrystalline silicon ingots | Zheng Lu, Ying Tao, Lee William Ferry, Carl F. Cherko | 2003-04-29 |