Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6519475 | Earphone-microphone combination including a radio module and method of shifting its operational mode between telephone mode and radio mode | — | 2003-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6519475 | Earphone-microphone combination including a radio module and method of shifting its operational mode between telephone mode and radio mode | — | 2003-02-11 |