Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578722 | Method for checking disk identity in a flexible disk recorder | Jeffrey L. Lovgren | 1986-03-25 |
| 4226570 | Blocker for magnetic diskette gripper | Joseph J. Holecek, Clarence R. Schwieters, Michael N. Zell | 1980-10-07 |