Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1004393 | Grinding pad | Jang Hyuk Ahn | 2023-11-14 |
| D502378 | Pad for grinding stone | Jong Moo Kang, Jong Kuk Park | 2005-03-01 |
| D494196 | Pad for grinding stone | — | 2004-08-10 |
| 5990692 | Testing apparatus for non-packaged semiconductor chip | Young-Ho Kim | 1999-11-23 |