JZ

Junfeng Zhang

Overall (All Time): #2,697,265 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11518186 Self-adaptive pencil feeding mechanism Gaowei Zheng, Feng Cao, Chongzhi Zheng 2022-12-06