Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694520 | Plasma-vortex engine and method of operation therefor | Merton W. Pekrul | 2010-04-13 |
| 7055327 | Plasma-vortex engine and method of operation therefor | Merton W. Pekrul | 2006-06-06 |