Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878140 | Magneto-resistive sensor with opposing currents for reading perpendicularly recorded media | Hardayal Singh Gill, Giora J. Tarnopolsky, Lung Tran | 1989-10-31 |
| 4843316 | Nondestructive M-H hysteresis testers for magnetic discs for computer disc drives | — | 1989-06-27 |