Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4755900 | Tape cartridge drive with tape biasing arm to allow head movement normal to tape path | — | 1988-07-05 |
| 4561609 | Anti-friction and non-oscillating spool for belt driven cartridge | Leslie M. Collins | 1985-12-31 |
| 4534523 | Tape guidance for belt driven cartridge | — | 1985-08-13 |
| 4313143 | Head positioning mechanism for data cartridge recorder | — | 1982-01-26 |