Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499904 | Vertical axis wind turbine with pultruded blades | Michael S. McMullen, William R. Archibald | 1996-03-19 |
| 5375324 | Vertical axis wind turbine with pultruded blades | Michael S. McMullen, William R. Archibald | 1994-12-27 |