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Home › Inventors › Chuan-Chih Huang
CH

Chuan-Chih Huang

Overall (All Time): #2,321,807 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4901736 Toilet having urine tester — 1990-02-20
4422190 Safety toilet seat — 1983-12-27

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