YZ

Yuchang Zhang

Overall (2021): #55,381 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D926840 Concrete mold 2021-08-03
D926841 Concrete mold 2021-08-03
D926842 Concrete mold 2021-08-03