Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482263 | Heat shield assembly for crystal pulling apparatus | Lee William Ferry, Steven L. Kimbel, Richard G. Schrenker | 2002-11-19 |
| 6447601 | Crystal puller and method for growing monocrystalline silicon ingots | Richard J. Phillips, Larry E. Drafall | 2002-09-10 |