Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875112 | Compound pulse dimming circuitry for conditioning readback signals | Emil Hopner, Constantin Michael Melas, Lionel D. Provazek | 1989-10-17 |
| 4490756 | Servo encodement and detection system using tetra-orthogonal servo pattern | Chung Chuan Liu, Francis Edward Mueller | 1984-12-25 |