Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6389148 | Electric-acoustic transducer having moving magnet and transducing method thereof | Dong Ok Yoo | 2002-05-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6389148 | Electric-acoustic transducer having moving magnet and transducing method thereof | Dong Ok Yoo | 2002-05-14 |