Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955025 | Self-erecting tower and method for raising the tower | James G. P. Dehlsen | 2005-10-18 |
| 6856039 | Variable speed wind turbine generator | Craig L. Christenson, Kevin L. Cousineau, William L. Erdman, William E. Holley | 2005-02-15 |
| 6847128 | Variable speed wind turbine generator | Craig L. Christenson, Kevin L. Cousineau, William L. Erdman, William E. Holley | 2005-01-25 |