JC

Jieh-Jung Chang

📍 Fuxing District, TW: #10 of 15 inventorsTop 70%
Overall (All Time): #3,246,322 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7921682 Padlock with alarm function — 2011-04-12