Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5242288 | Rotary engine or pump with a round toroidal cylinder and pistons | — | 1993-09-07 |
| 4920684 | Throw-away casting bag | — | 1990-05-01 |
| 4396808 | Telephone system with a ground or wire return | — | 1983-08-02 |
| 4240259 | Boiler steam engine with steam recovery and recompression | — | 1980-12-23 |
| 4236507 | Dome solar air heater | — | 1980-12-02 |
| 4192978 | Operational amplifier hybrid system | — | 1980-03-11 |