Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6872262 | State of the art constant flow device | Chin Choon Khee, Chua Kien Heng, Teh Guat Cheng | 2005-03-29 |
| 6716298 | Method and apparatus for measuring and dispensing a wafer etchant | — | 2004-04-06 |
| 6488039 | State of the art constant flow device | Chin Choon Khee, Chua Kien Heng, Teh Guai Cheng | 2002-12-03 |
| 6472331 | Method and apparatus for measuring and dispensing a wafer etchant | — | 2002-10-29 |