Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147180 | Tape reel with self-generating negative pressure | Robert A. Beard | 2006-12-12 |
| 6545834 | Method and apparatus for dimensional tape width compensation in a tape drive system | — | 2003-04-08 |
| 6233109 | Magnetic tape drive having a set of heads configured such that at least one of the heads reads a desired data track | — | 2001-05-15 |
| 5850328 | Media for recording data on two sides of a magnetic tape having angularly displaced orientations | Michael L. Leonhardt | 1998-12-15 |
| 5826811 | Method and apparatus for securing a reel in a cartridge | David T. Hoge | 1998-10-27 |
| 5412194 | Robust coding system | Robert Spurr | 1995-05-02 |
| 5293285 | Apparatus and media for recording data on two sides of a magnetic tape | Michael L. Leonhardt | 1994-03-08 |
| 4706235 | Differential track recording | — | 1987-11-10 |
| 4482927 | Ternary magnetic recording and reproducing system with simultaneous overwrite | George V. Jacoby | 1984-11-13 |
| 4195318 | High density bias linearized magnetic recording system utilizing Nyquist bandwidth partial response transmission | Robert Price, John W. Craig, Avraham Perahia | 1980-03-25 |