Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322760 | Tribit decoder for use in a disc file system | — | 1982-03-30 |
| 4314286 | Tribit servo track detector | — | 1982-02-02 |
| 4314287 | High storage density disc file | Ian Freeman, John O. Rooney | 1982-02-02 |