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Chin-Chao Chung

ZC Zeng Hsing Industrial Co.: 2 patents #4 of 28Top 15%
Overall (All Time): #1,956,479 of 4,157,543Top 50%
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Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9993128 Vacuum cleaner 2018-06-12
8347458 Bypass-type motor protecting device for a vacuum cleaner Shui-Chun Tseng, Ming-Da Li 2013-01-08