ZZ

Zhefu Zhang

Overall (2025): #69,626 of 469,880Top 15%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12303441 Collapsible wheelchair Jianguo Li, Yongqiang Li, Jie Liu, Xiaodong Wang, Canfeng LIU +1 more 2025-05-20
D1069656 Electric wheelchair Jianguo Li, Xianyu Su 2025-04-08