Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6107998 | Photovoltaic module with display indicator | David Kulik, Martin Charles | 2000-08-22 |
| 5847794 | Photovoltaic module with display indicator | David Kulik, Martin Charles, John Calhoun | 1998-12-08 |
| 5717478 | Photovoltaic module with liquid crystal display indicator | David Kulik, Martin Charles, John Calhoun | 1998-02-10 |
| 4404962 | Large format film glazed solar collector | Michael F. Zinn, Tamil D. Bauch | 1983-09-20 |