Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637251 | Hub lock releasing structure for a tape recorder and related method of fabrication | Sung Hee Hong | 2003-10-28 |
| 6639752 | Housing structure of tape recorder | Sung Hee Hong | 2003-10-28 |
| 6588247 | Hub lock releasing structure for a tape recorder and related method of fabrication | Sung Hee Hong | 2003-07-08 |
| 6581867 | Reel braking apparatus for a tape recorder | Bong-joo Kim, Hyeong-Seok Choi | 2003-06-24 |