Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D636104 | Head-mounted LED light | — | 2011-04-12 |
| 5917574 | Eye protection accessory | — | 1999-06-29 |
| 5868898 | Fluid dispensing device for wet chemical process tank and method of using | Nai Huai Liu, Kuo-Liang Lu | 1999-02-09 |
| 5820689 | Wet chemical treatment system and method for cleaning such system | Wen-Hsiang Tseng, Kuo-Liang Lu | 1998-10-13 |
| D397127 | Binoculars | — | 1998-08-18 |
| 4830441 | Holographic filter construction for protective eyewear | — | 1989-05-16 |
| 4818045 | Holographic optical element having periphery with gradually decreasing diffraction efficiency and method of construction | — | 1989-04-04 |