Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003415 | Adaptive head positioning servo-mechanism | — | 1991-03-26 |
| 4987502 | Anti-wear disk drive system | — | 1991-01-22 |
| 4879612 | Head positioning servo-mechanism with error reduction capabilities | John L. Grimsley | 1989-11-07 |