Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8607782 | Stretched membrane solar collector with bearing edge | Howard Harrenstien | 2013-12-17 |
| 8539943 | Method for supporting a stretched membrane solar trough collector | Howard Harrenstien | 2013-09-24 |
| 8132928 | Stretched membrane solar collector | Howard Harrenstien | 2012-03-13 |
| 5071243 | Tensioned cover for parabolic reflector | — | 1991-12-10 |
| 4596238 | Interiorly tensioned solar reflector | — | 1986-06-24 |
| 4510923 | Solar reflector | — | 1985-04-16 |
| 4293192 | Solar reflector with flexible sheet tightly secured around form surfaces | — | 1981-10-06 |