Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7681619 | Energy-saving automatic window obtained by using solar energy during the cold season, control of solar radiation in summer, thermal insulation, controlled internal incidence of light, controlled air exchange | Norbert Felderer | 2010-03-23 |