Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749824 | Chemical vapor deposition system for polycrystalline silicon rod production | David W. Keck, Howard J. Dawson | 2004-06-15 |
| 6544333 | Chemical vapor deposition system for polycrystalline silicon rod production | David W. Keck, Howard J. Dawson | 2003-04-08 |
| 6221155 | Chemical vapor deposition system for polycrystalline silicon rod production | David W. Keck, Howard J. Dawson | 2001-04-24 |