Patents/Inventors

Feilong Zhu

ShenzhenCN2 patents

3 Patents

USD10266992024
Smart Doorbell
SHENZHEN QIAOHUA INDUSTRIES LIMITED
0 cites
USD10249782024
Light Switch
SHENZHEN QIAOHUA INDUSTRIES LIMITED
0 cites
USD10158472024
Smart Door Lock
SHENZHEN QIAOHUA INDUSTRIES LIMITED
0 cites