Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835632 | Disk file digital servo control system with multiple sampling rate | Shih-Ming Shih, Richard J. Spanel, Mantle Man-Hon Yu | 1989-05-30 |
| 4835633 | Disk file digital servo control system with compensation for variation in actuator acceleration factor | Stephen F. Edel, Michael L. Workman, Mantle Man-Hon Yu | 1989-05-30 |