Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7387179 | Toroidal propulsion and steering system | David Anhalt | 2008-06-17 |
| 7235046 | Toroidal propulsion and steering system | David Anhalt | 2007-06-26 |
| 7044245 | Toroidal propulsion and steering system | David Anhalt | 2006-05-16 |