TF

Tangchun Feng

Overall (2025): #82,910 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1067973 Bead spinner 2025-03-25
D1065326 Electric bead spinner 2025-03-04