Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5142887 | Resonant wave-jet agitator washing machine | John P. Wanhainen | 1992-09-01 |
| 4730990 | Pulse combustion engine and heat transfer system | M. Reza Ghassemzadeh, James C. Griffiths | 1988-03-15 |
| 4685510 | Pulse combustion engine and heat transfer system | M. Reza Ghassemzadeh, James C. Griffiths | 1987-08-11 |