Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597786 | Headset/hand-free operating mode selecting and switching system for telephone | — | 2003-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597786 | Headset/hand-free operating mode selecting and switching system for telephone | — | 2003-07-22 |