Patents/Inventors

Hanqing Zheng

NanjingCN4 patents

4 Patents

US124203862025
Power Tool
Nanjing Chervon Industry Co., Ltd.
0 cites
US124152612025
Power Tool
Nanjing Chervon Industry Co., Ltd.
0 cites
US123650772025
Electric Drill and Electric Tool
Nanjing Chervon Industry Co., Ltd.
0 cites
US123040512025
Power Tool
Nanjing Chervon Industry Co., Ltd.
0 cites