Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951349 | Backlit button/switchpad assembly | Robert Allan Pyburn | 1999-09-14 |
| 5718326 | Backlit button/switchpad assembly | Robert Allan Pyburn | 1998-02-17 |
| 5512718 | Keypad having a reflective contact | — | 1996-04-30 |
| 5477430 | Fluorescing keypad | — | 1995-12-19 |