Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D646419 | Lampshade of a street lamp | Chien-Chang Pei, Pet-Hsuan Chen | 2011-10-04 |
| D646015 | Light emitting diode lamp | Chia-Hao Liang, Hsin-Chang Tsai | 2011-09-27 |
| D632322 | Optical lens | Chia-Hao Liang | 2011-02-08 |