Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905092 | Laminar-flow airfoil | — | 2005-06-14 |
| 6899524 | Cooling-tower fan airfoils | James L. Tangler | 2005-05-31 |
| 6607164 | Wing airfoil | — | 2003-08-19 |
| 6068446 | Airfoils for wind turbine | James L. Tangler | 2000-05-30 |
| 5562420 | Airfoils for wind turbine | James L. Tangler | 1996-10-08 |
| 5417548 | Root region airfoil for wind turbine | James L. Tangler | 1995-05-23 |