Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414237 | Solar collectors, articles for mounting solar modules, and methods of mounting solar modules | — | 2002-07-02 |
| 5340408 | Inverse delta-doping for improved open circuit voltage of solar cells or photo diodes | — | 1994-08-23 |
| 4283591 | Photovoltaic cell | — | 1981-08-11 |
| 4252573 | Collector grid for CdS/CuS photovoltaic cells | Norman S. Freedman, Henry C. Hadley, Jr., James Phillips, Manuel Ruiz-Urbieta | 1981-02-24 |