Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8333564 | Vertical axis wind turbine airfoil | Vladimir Krivcov, Vasili Maksimov, Richard Halstead, Jurij Vasiljevich Grahov | 2012-12-18 |
| 7902688 | Vertical axis wind turbines | Vladimir Krivcov, Vasili Maksimov, Richard Halstead, Jurij Vasiljevich Grahov | 2011-03-08 |