LC

Liang (Aka Leon) Hsi Chang

📍 Walnut, CA: #501 of 870 inventorsTop 60%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,467,705 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6681002 Directionally-mapped, keyed alpha -numeric data input/output system 2004-01-20