Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6320117 | Transparent solar cell and method of fabrication | James P. Campbell, Harvey R. Spreckman | 2001-11-20 |
| 6180871 | Transparent solar cell and method of fabrication | James P. Campbell, Harvey R. Spreckman | 2001-01-30 |