Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8916987 | Hydrokinetic electrical generating device | Garth J. Schultz, Scott Leslie | 2014-12-23 |
| 5821449 | Propellant grain geometry for controlling ullage and increasing flame permeability | Peter L. Langsjoen | 1998-10-13 |