Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7436122 | Helicon hall thruster | Brian Beal, Kristi H. de Grys, Alfred C. Wilson | 2008-10-14 |
| 6612105 | Uniform gas distribution in ion accelerators with closed electron drift | Arnold W. Voigt, David Q. King, Kristi H. de Grys | 2003-09-02 |
| 6173565 | Three axis pulsed plasma thruster with angled cathode and anode strip lines | R. J. Cassady, Robert D. Osborne | 2001-01-16 |
| 5357747 | Pulsed mode cathode | Vincent K. Rawlin | 1994-10-25 |