Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207891 | Columnar-grained polycrystalline solar cell substrate | Robert B. Hall, Allen M. Barnett, David H. Ford, Christopher L. Kendall, James A. Rand | 2001-03-27 |
| 6111191 | Columnar-grained polycrystalline solar cell substrate and improved method of manufacture | Robert B. Hall, Allen M. Barnett, Sandra R. Collins, 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, Sandra R. Collins, 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, Sandra R. Collins, David H. Ford, Christopher L. Kendall +2 more | 1996-03-05 |
| 5336335 | Columnar-grained polycrystalline solar cell and process of manufacture | Robert B. Hall, Allen M. Barnett, Jacob Embree Brown, David H. Ford, Christopher L. Kendall +3 more | 1994-08-09 |