Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471354 | Servo head with close servo transducer placement for improved passive noise cancellation | John Bortins, Frank S. Stageberg, Lance E. Stover | 1995-11-28 |
| 5210669 | Methods of improved servo head passive noise cancellation by placement and orientation of multiple servo transducers | John Bortins | 1993-05-11 |
| 5198948 | Shielded servo heads with improved passive noise cancellation | Lance E. Stover, Beat G. Keel, John Bortins | 1993-03-30 |
| 5182682 | Sectored servo disk formatting | Lloyd C. Goss | 1993-01-26 |
| 5136439 | Sectored servo position demodulator system | Lloyd C. Goss | 1992-08-04 |
| 5117408 | Correlation of sectored servo position information | Lloyd C. Goss | 1992-05-26 |