HC

Hong Chang

SC Shenzhen Airtok Technology Co.: 4 patents #2 of 8Top 25%
Overall (All Time): #1,127,635 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1004067 Air cleaner Xiangwu Li, Yuewen Jia, Guangmin Jia 2023-11-07
D1001989 Air purifier Xiangwu Li, Yuewen Jia 2023-10-17
D986398 Air cleaner Xiangwu Li, Yuewen Jia, Guangmin Jia 2023-05-16
D948018 Air purifier Xiangwu Li, Yuewen Jia, Guangmin Jia 2022-04-05