Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6889430 | Method of selectively adjusting surface tension of soldermask material | Tongbi Jiang | 2005-05-10 |
| 6388199 | Selectively adjusting surface tension of soldermask material | Tongbi Jiang | 2002-05-14 |