BY

Bao Hua Yang

Overall (2022): #519,050 of 548,613Top 95%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11524331 Unidirectional or bidirectional sand dispensing device Fan Peng, Jiejun He, Yunlong Xu, Yantao Wang 2022-12-13