CT

Changfen Tan

📍 Yichang City, CN: #10 of 66 inventorsTop 20%
Overall (All Time): #1,880,662 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D922235 Door bell — 2021-06-15
D922236 Door bell — 2021-06-15