Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559281 | Coating for a surface subject to exposure to a high-frequency field to prevent interference resulting from secondary electron emission | Heinrich Derfler, Jurgen Perchermeier | 1985-12-17 |
| 4380993 | Combined solar collector and storage pond | — | 1983-04-26 |
| 4227514 | Solar energy collectors | — | 1980-10-14 |