Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266911 | Wind power plant and method of erecting it | Siegfried Helm | 1981-05-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4266911 | Wind power plant and method of erecting it | Siegfried Helm | 1981-05-12 |