Patents/Inventors

Zhifeng Shen

NanjingCN9 patents

10 Patents

USD11057032025
Hummingbird Feeder
Shanghai Lvtengluo Trading Co., Ltd.
0 cites
USD10874942025
Hummingbird Feeder
0 cites
USD10109462024
Hummingbird Feeder
Shanghai Lvtengluo Trading Co., Ltd.
0 cites
USD10035362023
Hummingbird Feeder
Shanghai Lvtengluo Trading Co., Ltd.
0 cites
USD09959372023
Hummingbird Feeder
0 cites
USD09959382023
Hummingbird Feeder
0 cites
USD09935462023
Hummingbird Feeder
0 cites
USD09915782023
Hummingbird Feeder
0 cites
USD09847512023
Hummingbird Feeder
0 cites
USD09772022023
Hummingbird Feeder
0 cites