Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7495933 | Resonance transducer | Heiner Friedrich | 2009-02-24 |
| 4188924 | Internal combustion engine ventilation | Karl Kirchweger, Hans List, Josef Greier | 1980-02-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7495933 | Resonance transducer | Heiner Friedrich | 2009-02-24 |
| 4188924 | Internal combustion engine ventilation | Karl Kirchweger, Hans List, Josef Greier | 1980-02-19 |