Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851775 | Digital compass and magnetometer having a sensor coil wound on a high permeability isotropic core | Nam-hyong Kim | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851775 | Digital compass and magnetometer having a sensor coil wound on a high permeability isotropic core | Nam-hyong Kim | 1989-07-25 |