Patents/Inventors

Ronggen Zhu

NanjingCN2 patents

3 Patents

US121334832024
Walk-behind Self-propelled Working Machine
Nanjing Chervon Industry Co., Ltd.
0 cites
US120589602024
Walk-behind Self-propelled Machine
Nanjing Chervon Industry Co., Ltd.
0 cites
US118443052023
Walk-behind Self-propelled Working Machine
Nanjing Chevron Industry Co., Ltd.
0 cites