Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671497 | Combination of a radio with an earphone and a ball-point pen | Chen-Hsieh Chung | 2003-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671497 | Combination of a radio with an earphone and a ball-point pen | Chen-Hsieh Chung | 2003-12-30 |