Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5142870 | Hydraulic compressor and fuel fired turbine apparatus | — | 1992-09-01 |
| 5099648 | Hydraulic air compressor and turbine apparatus | — | 1992-03-31 |
| RE32669 | Energy amplifier apparatus | — | 1988-05-17 |
| 4505327 | Heating and cooling apparatus having evaporative cooler and heat pump | John Roberts | 1985-03-19 |
| 4278405 | Energy amplifier apparatus | — | 1981-07-14 |