Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845577 | Apparatus and method for enabling rapid searching of helically recorded magnetic tape | Juan A. Rodriguez, E. Christopher Pisciotta | 1989-07-04 |
| 4843495 | Cyclical servo zone tracking method and apparatus for helical scan recording devices | Kelly J. Beavers, Steve E. Haugland | 1989-06-27 |