CC

Chi-Han Cheng

YM Yuan Mei: 2 patents #1 of 4Top 25%
📍 Zhumaoya, IL: #1 of 1 inventorsTop 100%
Overall (2021): #174,273 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D932597 Filter of water aerator 2021-10-05
D920473 Sprinkler 2021-05-25