Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5427608 | Method of separating solid and/or liquid particles and/or polluting gas from a gas stream, and apparatus for carrying out the method | Walter Gebert, Franz Parzermair, Harald Furschuss, Sotirios Raptis | 1995-06-27 |
| 4558604 | Directional gyro | — | 1985-12-17 |
| 4492131 | Flywheel | — | 1985-01-08 |
| 4442723 | North seeking and course keeping gyro device | — | 1984-04-17 |