Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4475281 | Transducer head positioning adapter for fixed head flexible disk drives | — | 1984-10-09 |
| 4315289 | Magnetic disk drive machine | Michael N. Zell | 1982-02-09 |
| 4226570 | Blocker for magnetic diskette gripper | William B. Plummer, Clarence R. Schwieters, Michael N. Zell | 1980-10-07 |