Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181667 | Cassette loader with precision cassette extraction and winding reference positioning means and method | Robert I. Farrow, Drey Johnson | 1993-01-26 |
| 5181669 | Cassette loader with simultaneous leader tape equalization and loading | Drey Johnson, Robert I. Farrow, Paul DeMint, Ray O. McNeill | 1993-01-26 |
| 5150849 | Cassette loader with improved leader tape extraction and method | Robert I. Farrow, Paul DeMint, Drey Johnson, Ray O. McNeill | 1992-09-29 |