Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9784429 | Method and device for greatly increasing irradiation range of street lamp | Guofeng Lv | 2017-10-10 |
| 9638393 | Light distribution method for COB module LED street lamp lens capable of illuminating 3-5 lanes | Guofeng Lv | 2017-05-02 |