Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336335 | Columnar-grained polycrystalline solar cell and process of manufacture | Robert B. Hall, Allen M. Barnett, Jacob Embree Brown, Joseph C. Checchi, David H. Ford +3 more | 1994-08-09 |