Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5003415 | Adaptive head positioning servo-mechanism | — | 1991-03-26 | $559,000 |
| 4987502 | Anti-wear disk drive system | — | 1991-01-22 | $5,829,000 |
| 4879612 | Head positioning servo-mechanism with error reduction capabilities | John L. Grimsley | 1989-11-07 |