Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725061 | System and method for the automatic identification of accessories coupled to a wireless communication device | James Hutchison, Hanchi Huang | 2004-04-20 |
| 6330247 | Communication protocol between a communication device and an external accessory | Chienchung Chang, Way-Shing Lee, Robert Opalsky, George Pan, Karthick Chinnaswami +2 more | 2001-12-11 |
| 4561049 | Control system employing a rotary knob | Sam M. Deleganes | 1985-12-24 |