Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D552606 | Handheld wireless communication device | Mark R. Swanson, Peter William Jungwirth, John W. Grosz | 2007-10-09 |
| D541290 | Handheld wireless communication device keypad | Mark R. Swanson, Peter William Jungwirth, John W. Grosz | 2007-04-24 |
| 6445803 | Speaker | Chuan How Boon | 2002-09-03 |