WC

Wei-Hung Chang

DH Door & Window Hardware: 2 patents #1 of 3Top 35%
📍 Taichung, NJ: #1 of 5 inventorsTop 20%
Overall (2019): #108,399 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10448754 Clamp Ko-Yu Chang 2019-10-22
10323438 Two-point lock Chih-Lun Hsieh 2019-06-18