Patents/Inventors

Changjiang Ding

YiwuCN7 patents

9 Patents

USD10940002025
Electric Grinder
Zhejiang Siwei Electric Co., Ltd.
0 cites
USD10940012025
Electric Grinder
Zhejiang Siwei Electric Co., Ltd.
0 cites
USD10912212025
Electric Grinder and Base Set
Zhejiang Siwei Electric Co., Ltd.
0 cites
USD10623612025
Electric Coffee Grinder
Zhejiang Siwei Electric Co., Ltd.
0 cites
USD10399032024
Manual Coffee Grinder
Yiwu Siwei Technology Co., Ltd.
0 cites
USD10036532023
USB Electric Coffee Grinder
Yiwu Siwei Technology Co., Ltd.
0 cites
USD10036542023
USB Electric Coffee Grinder
Yiwu Siwei Technology Co., Ltd.
0 cites
USD10031032023
USB Electric Coffee Grinder
Yiwu Siwei Technology Co., Ltd.
0 cites
USD09852902023
Combined Electric Pepper Mill and USB
Yiwu Siwei Technology Co., Ltd.
0 cites