Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224472 | Retaining ring for chemical mechanical polishing | Lei Ping Lai, Randall Lujan | 2001-05-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6224472 | Retaining ring for chemical mechanical polishing | Lei Ping Lai, Randall Lujan | 2001-05-01 |