Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771780 | Tri-functional dual earphone device | Chi-Lin Hong | 2004-08-03 |
| D464943 | Hanging type earphone | — | 2002-10-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771780 | Tri-functional dual earphone device | Chi-Lin Hong | 2004-08-03 |
| D464943 | Hanging type earphone | — | 2002-10-29 |