Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827647 | Retainer ring for chemical-mechanical polishing device | Jae Bok LEE | 2017-11-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827647 | Retainer ring for chemical-mechanical polishing device | Jae Bok LEE | 2017-11-28 |