Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849696 | Apparatus for determinig the strength and direction of a magnetic field, particularly the geomagnetic field | Ernst Ramseier | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849696 | Apparatus for determinig the strength and direction of a magnetic field, particularly the geomagnetic field | Ernst Ramseier | 1989-07-18 |