Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537141 | Non-slip polisher head backing film | Albert H. Liu | 2003-03-25 |
| 6409579 | Method and apparatus for conditioning a polish pad at the point of polish and for dispensing slurry at the point of polish | Albert H. Liu | 2002-06-25 |