Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5180434 | Interfacial plasma bars for photovoltaic deposition apparatus | Kermit Jones, Kevin Hoffman, Timothy D. Laarman, Jon Call, Prem Nath | 1993-01-19 |
| 5101260 | Multilayer light scattering photovoltaic back reflector and method of making same | Prem Nath, John D. Call, Kevin Hoffman, Timothy D. Laarman | 1992-03-31 |
| 5090356 | Chemically active isolation passageway for deposition chambers | Prem Nath, Jon Call, Kevin Hoffman | 1992-02-25 |
| 4479455 | Process gas introduction and channeling system to produce a profiled semiconductor layer | Joachim Doehler, Kevin Hoffman, Timothy D. Laarman, Therese McDonough | 1984-10-30 |