Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285037 | Illuminated dome switch | David N. Larkins, Thomas J. Heath, David W. Thompson | 1994-02-08 |
| 4984897 | Carriage mechanism for automatic extracting and inserting of cassettes | — | 1991-01-15 |
| 4918550 | Mis-insertion apparatus for a tape transport capable of receiving cassettes of varying sizes for play | — | 1990-04-17 |
| 4873593 | Multi-cassette indexing mechanism for a tape transport | — | 1989-10-10 |
| 4860133 | Cassette bin structure including a bin section for loading and unloading cassettes | — | 1989-08-22 |
| 4853805 | Multi-cassette indexing mechanism for a tape transport | — | 1989-08-01 |
| 4685016 | Door operating mechanism for a cassette usable in a magnetic tape recorder | — | 1987-08-04 |