Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7207877 | Clamp-type optical disc repairing device | — | 2007-04-24 |
| 6960122 | Optical disc repairing device | — | 2005-11-01 |
| D496932 | Optical disc repairing device | — | 2004-10-05 |
| 6386946 | Repair machine for compact disk | Ching-Hsiung Chang, Ching-Lu Yu | 2002-05-14 |
| 5183967 | Junction box | — | 1993-02-02 |