Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6111191 | Columnar-grained polycrystalline solar cell substrate and improved method of manufacture | Robert B. Hall, Allen M. Barnett, Joseph C. Checchi, David H. Ford, Christopher L. Kendall +2 more | 2000-08-29 |
| RE36156 | Columnar-grained polycrystalline solar cell and process of manufacture | Robert B. Hall, Allen M. Barnett, Joseph C. Checchi, David H. Ford, Christopher L. Kendall +2 more | 1999-03-23 |
| 5496416 | Columnar-grained polycrystalline solar cell and process of manufacture | Robert B. Hall, Allen M. Barnett, Joseph C. Checchi, David H. Ford, Christopher L. Kendall +2 more | 1996-03-05 |