Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6205401 | Navigation system for a vehicle, especially a land craft | Friedhelm Pickhard | 2001-03-20 |
| 5566461 | Method of determining the direction of north | Hans Senn | 1996-10-22 |
| 5056052 | Filter arrangement for generating an estimate of a measured variable influenced by disturbances | Hans Senn | 1991-10-08 |