Patents/Inventors

Yaoqing Zhu

ShanghaiCN1 patent

2 Patents

USD10975822025
Brush Head for Electric Toothbrush
SHANGHAI HEISR INTELLIGENT TECHNOLOGY CO., Ltd
0 cites
US120486022024
Electric Toothbrush Comprising Three-sided Bristles
SHANGHAI HEISR INTELLIGENT TECHNOLOGY Co. Ltd.
0 cites