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Ching Hsi Chang

📍 Baoshan, TW: #1,215 of 3,661 inventorsTop 35%
Overall (All Time): #1,614,068 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6343870 Figured lamp structure — 2002-02-05
6183110 U-shaped trough frame for hanging Christmas light bulb series — 2001-02-06
5498922 Unloosable and unturnable electric lamp base system — 1996-03-12