Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453831 | Method for calibrating a flying height tester utilizing a wedge slider and transparent disc held together | Yufeng Li, Peter R. Goglia | 1995-09-26 |
| 5410402 | Calibration standard for flying height tester having a wedge slider and a transparent disc held together | Yufeng Li, Peter R. Goglia | 1995-04-25 |