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HC

Horng-Yuan Chen

Overall (All Time): #2,324,293 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4932425 Comb or brush — 1990-06-12
4654922 Brush with universal joints — 1987-04-07

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