Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6285522 | Rotational vibration compensation using a dedicated surface with a constant frequency pattern | Lealon R. McKenzie, Nathaniel B. Wilson, Stuart K. Francis | 2001-09-04 |
| 6222336 | Rotational vibration detection using spindle motor velocity sense coils | Lealon R. McKenzie | 2001-04-24 |