Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638005 | Coaxial wind turbine apparatus having a closeable air inlet opening | John W. Holter | 2003-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638005 | Coaxial wind turbine apparatus having a closeable air inlet opening | John W. Holter | 2003-10-28 |