Patents/Inventors

Guangjie Ji

NanjingCN2 patents

3 Patents

US123302742025
Impact Tool
Nanjing Chervon Industry Co., Ltd.
0 cites
US122021052025
Power Tool
Nanjing Chervon Industry Co., Ltd.
0 cites
US117017602023
Electric Tool
Nanjing Chervon Industry Co., Ltd.
0 cites