HC

Han-Hsiang Chang

Overall (All Time): #1,867,269 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10906162 Screw clamping device Kui Liu, Yung-Lin Lin 2021-02-02
8220473 Foldable umbrella capable of auto-adjustment of the umbrella cloth 2012-07-17