Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648719 | Magnetic sensor with characteristics that are changeable by an external magnetic device | Timothy A. Christensen, Kenneth L. Eichholz, Jr., Thomas A. Fletcher | 1997-07-15 |
| 5619188 | Proximity sensor which is sensitive to a pulsating magnetic field | — | 1997-04-08 |