Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882671 | Microprocessor controlled rigid disk file subsystem | Bruce R. Peterson, Richard J. Blackborow | 1989-11-21 |
| 4860194 | A method for using a modular unitary disk file subsystem | Joel N. Harrison, William G. Moon | 1989-08-22 |
| 4819153 | Microprocessor controlled rigid disk file subsystem | Bruce R. Peterson, Richard J. Blackborow | 1989-04-04 |