Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498600 | Electronic devices including keypads that illuminate in response to proximity of a user and methods of operating such electronic devices | Charles Albert Rudisill | 2002-12-24 |
| 6437682 | Pressure sensitive direction switches | — | 2002-08-20 |
| 6389302 | Methods and apparatus for causing wireless communication devices to vibrate via piezo-ceramic vibrators | — | 2002-05-14 |