Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596152 | Method and device for simultaneous arc processing and chemical etching | Hung-Yin Tsai, Tung-Chuan Wu | 2003-07-22 |
| 6503387 | Method and device for electro-chemical discharge processing with self-acting bubble layer | Hung-Yin Tsai, Tung-Chuan Wu | 2003-01-07 |