Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8926929 | Method and apparatus for producing granular silicon | Michael V. Spangler | 2015-01-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8926929 | Method and apparatus for producing granular silicon | Michael V. Spangler | 2015-01-06 |