Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705428 | Exhaust gas system with helmholtz resonator | — | 2004-03-16 |
| 4288203 | Multi-flow gas dynamic pressure-wave machine | Reinhard Fried | 1981-09-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705428 | Exhaust gas system with helmholtz resonator | — | 2004-03-16 |
| 4288203 | Multi-flow gas dynamic pressure-wave machine | Reinhard Fried | 1981-09-08 |