HH

Hua Hang

Overall (2020): #444,546 of 565,922Top 80%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10867499 Light source assembly for alarm device and fire alarm device including the same Chen Chen, Wenxue Xie, Qirong Xing, Lijie Zheng, Gaihong Du +1 more 2020-12-15