Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5959733 | Non-contact continuous photoelectric inspecting device for paint coating contamination on welding seams of steel can sheet | Shyan-Chiin Wei | 1999-09-28 |
| 5772081 | Low leakage rotary valve | Shyan-Chiin Wei | 1998-06-30 |