Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736408 | Rotary vacuum-chuck with venturi formed at base of rotating shaft | Donald Olgado, Alexander Lerner | 2004-05-18 |
| 6691719 | Adjustable nozzle for wafer bevel cleaning | Alexander Sou-Kang Ko | 2004-02-17 |