Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5818659 | Quadrature servo pattern disk providing asynchronous digital PES | Wayne Leung Cheung, Francis Edward Mueller | 1998-10-06 |
| 5774298 | Asynchronous digital PES demodulation disk drive servo control system | Wayne Leung Cheung, Francis Edward Mueller | 1998-06-30 |
| 4490756 | Servo encodement and detection system using tetra-orthogonal servo pattern | Martin H. Dost, Francis Edward Mueller | 1984-12-25 |