Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6292758 | Linear perturbation method for Kalman filter tracking of magnetic field sources | Harold C. Gilbert, Michael Rakijas, Kirk Kohnen | 2001-09-18 |
| 6269324 | Magnetic object tracking based on direct observation of magnetic sensor measurements | Michael Rakijas, Kirk Kohnen, Harold C. Gilbert | 2001-07-31 |