65
APPENDIX I
Three U.S. Patents by Edwin V. Gray
1. USP # 3,890,548 - "Pulsed Capacitor Discharge Electric
Engine"
2. USP # 4,595,977 -"Efficient Power Supply Suitable for
Inductive Loads"
3. USP # 4,661,747 - "Efficient Electrical Conversion Switching
Tube Suitable for Inductive Loads"