Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4768315 | Shading and heat insulating device | — | 1988-09-06 |
| 4596237 | Solar-energy converter | Bernd Melchior, Wolfgang Heidrich | 1986-06-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4768315 | Shading and heat insulating device | — | 1988-09-06 |
| 4596237 | Solar-energy converter | Bernd Melchior, Wolfgang Heidrich | 1986-06-24 |