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USPTO Patent Rankings Data through Sept 30, 2025
Home › Inventors › Hung-Chao Chen
HC

Hung-Chao Chen

Overall (All Time): #1,935,173 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10264858 Waterproof zipper and process of manufacturing same — 2019-04-23
7954209 Waterproof structure for zippers — 2011-06-07

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