Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8098021 | Driving circuit of light emitting diode and lighting apparatus | Chun-Hsiung Wang, Hao-Yuan Wang, Yao-Sheng Liu, Kwan Ho | 2012-01-17 |
| D593662 | Heater | — | 2009-06-02 |
| 6719509 | Expansion screw | Pan Huang | 2004-04-13 |
| 6609866 | Expandable metal body for an expansion bolt | Pan Huang | 2003-08-26 |
| 5696494 | Rotary unit and illumination unit for a 3-side variable advertisement display board | — | 1997-12-09 |
| 5052150 | Structure of venetian blind | — | 1991-10-01 |