Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977472 | Servo address system | Mark E. Pease | 1990-12-11 |
| 4969059 | Offset nulling system for computer disk drives | Haim Nissimov | 1990-11-06 |
| 4843288 | Phase locked motor control system for multiple disk drive units | Daniel R. Vigil | 1989-06-27 |