Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431858 | Method of making quasi-grain boundary-free polycrystalline solar cell structure and solar cell structure obtained thereby | Arnost Neugroschel | 1984-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431858 | Method of making quasi-grain boundary-free polycrystalline solar cell structure and solar cell structure obtained thereby | Arnost Neugroschel | 1984-02-14 |