Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121258 | Apparatus for anhysteretic duplication of a flexible magnetic disk | Frederick J. Jeffers, Richard J. McClure | 1992-06-09 |
| 5075801 | Electromagnetic drive circuitry for anhysteretic duplication of a flexible magnetic disk | Richard J. McClure | 1991-12-24 |
| 4954825 | Self clocking binary data encoding/decoding method | — | 1990-09-04 |
| 4802033 | Predictive positioning offset compensation for high TPI disk systems | — | 1989-01-31 |
| 4544961 | Triplex digital magnetic recording and reproducing system | — | 1985-10-01 |
| 4479152 | Adjustable equalizer | — | 1984-10-23 |
| 4470081 | Controlled return to A.C. digital magnetic and reproducing system | — | 1984-09-04 |
| 4423451 | Thin film magnetic head having disparate poles for pulse asymmetry compensation | — | 1983-12-27 |
| 4410817 | Precision time duration detector | John W. Craig | 1983-10-18 |
| 4317148 | Transducer for perpendicular magnetic recording | — | 1982-02-23 |