Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615064 | Pulsed current velocity controlled head load method and apparatus which uses the back EMF to control the generation of head actuator driving pulses | Kevin J. Erickson, Richard Greenberg, John C. Purkett | 1997-03-25 |