Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117559 | Method of improving the north seeking result | Bernhard Woll | 1992-06-02 |
| 5014205 | Vehicle having an on-board navigation system | Peter F. Kocks | 1991-05-07 |
| 4379365 | Gyrocompass | Heinz Riethmuller, Peter Schultz | 1983-04-12 |
| 4294493 | Magnetic bearing assembly | Josef Hammer | 1981-10-13 |