Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508204 | Gravity feed chute | David MacWilliams | 1985-04-02 |
| 4195322 | Record/playback head and data storage apparatus therefor | Allen Cox, Rafael Pascual | 1980-03-25 |
| 4185314 | Record disk cartridge having eject spring within cartridge | Michael R. Hatchett | 1980-01-22 |